From fb457346eea0bd4717abe254b6b24cd1a72957b2 Mon Sep 17 00:00:00 2001
From: JulietteGoardon <142164143+JulietteGoardon@users.noreply.github.com>
Date: Sat, 21 Oct 2023 18:00:46 +0200
Subject: [PATCH] Created using Colaboratory

---
 main.ipynb | 4231 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 4231 insertions(+)
 create mode 100644 main.ipynb

diff --git a/main.ipynb b/main.ipynb
new file mode 100644
index 0000000..326f084
--- /dev/null
+++ b/main.ipynb
@@ -0,0 +1,4231 @@
+{
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "view-in-github",
+        "colab_type": "text"
+      },
+      "source": [
+        "<a href=\"https://colab.research.google.com/github/JulietteGoardon/lab-data-cleaning/blob/main/main.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "kAf8tbjdqtHZ"
+      },
+      "source": [
+        "#### 1. Import pandas library"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "id": "3nP0GpuqqtHa"
+      },
+      "outputs": [],
+      "source": [
+        "import pandas as pd"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "ZfmWEifUqtHb"
+      },
+      "source": [
+        "#### 2. Import users table:"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 652
+        },
+        "id": "kD_xv1FXqtHb",
+        "outputId": "520042be-b7b2-4093-9690-b9b9926d5f39"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "          Id  Reputation         CreationDate     DisplayName  \\\n",
+              "0         -1           1  2010-07-19 06:55:26       Community   \n",
+              "1          2         101  2010-07-19 14:01:36    Geoff Dalgas   \n",
+              "2          3         101  2010-07-19 15:34:50    Jarrod Dixon   \n",
+              "3          4         101  2010-07-19 19:03:27          Emmett   \n",
+              "4          5        6792  2010-07-19 19:03:57           Shane   \n",
+              "...      ...         ...                  ...             ...   \n",
+              "40320  55743           1  2014-09-13 21:03:50       AussieMeg   \n",
+              "40321  55744           6  2014-09-13 21:39:30       Mia Maria   \n",
+              "40322  55745         101  2014-09-13 23:45:27    tronbabylove   \n",
+              "40323  55746         106  2014-09-14 00:29:41             GPP   \n",
+              "40324  55747           1  2014-09-14 01:01:44  Shivam Agrawal   \n",
+              "\n",
+              "            LastAccessDate                      WebsiteUrl  \\\n",
+              "0      2010-07-19 06:55:26  http://meta.stackexchange.com/   \n",
+              "1      2013-11-12 22:07:23        http://stackoverflow.com   \n",
+              "2      2014-08-08 06:42:58        http://stackoverflow.com   \n",
+              "3      2014-01-02 09:31:02    http://minesweeperonline.com   \n",
+              "4      2014-08-13 00:23:47         http://www.statalgo.com   \n",
+              "...                    ...                             ...   \n",
+              "40320  2014-09-13 21:18:52                             NaN   \n",
+              "40321  2014-09-13 21:39:30                             NaN   \n",
+              "40322  2014-09-13 23:45:27                             NaN   \n",
+              "40323  2014-09-14 02:05:17                             NaN   \n",
+              "40324  2014-09-14 01:19:04                             NaN   \n",
+              "\n",
+              "                 Location                                            AboutMe  \\\n",
+              "0      on the server farm  <p>Hi, I'm not really a person.</p>\\r\\n\\r\\n<p>...   \n",
+              "1           Corvallis, OR  <p>Developer on the StackOverflow team.  Find ...   \n",
+              "2            New York, NY  <p><a href=\"http://blog.stackoverflow.com/2009...   \n",
+              "3       San Francisco, CA  <p>currently at a startup in SF</p>\\r\\n\\r\\n<p>...   \n",
+              "4            New York, NY  <p>Quantitative researcher focusing on statist...   \n",
+              "...                   ...                                                ...   \n",
+              "40320                 NaN                                                NaN   \n",
+              "40321                 NaN                                                NaN   \n",
+              "40322       United States                                                NaN   \n",
+              "40323                 NaN  <p>Stats noobie, product, marketing &amp; medi...   \n",
+              "40324               India                       <p>Maths Enthusiast </p>\\r\\n   \n",
+              "\n",
+              "       Views  UpVotes  DownVotes  AccountId   Age  \\\n",
+              "0          0     5007       1920         -1   NaN   \n",
+              "1         25        3          0          2  37.0   \n",
+              "2         22       19          0          3  35.0   \n",
+              "3         11        0          0       1998  28.0   \n",
+              "4       1145      662          5      54503  35.0   \n",
+              "...      ...      ...        ...        ...   ...   \n",
+              "40320      0        0          0    5026902   NaN   \n",
+              "40321      1        0          0    5026998   NaN   \n",
+              "40322      0        0          0     481766   NaN   \n",
+              "40323      1        0          0     976289   NaN   \n",
+              "40324      0        0          0    5027354   NaN   \n",
+              "\n",
+              "                                         ProfileImageUrl  \n",
+              "0                                                    NaN  \n",
+              "1                                                    NaN  \n",
+              "2                                                    NaN  \n",
+              "3                     http://i.stack.imgur.com/d1oHX.jpg  \n",
+              "4                                                    NaN  \n",
+              "...                                                  ...  \n",
+              "40320  http://graph.facebook.com/665821703/picture?ty...  \n",
+              "40321                                                NaN  \n",
+              "40322  https://www.gravatar.com/avatar/faa7a3fdbd8308...  \n",
+              "40323  https://www.gravatar.com/avatar/6d9e9fa6b783a3...  \n",
+              "40324  https://lh4.googleusercontent.com/-ZsXhwVaFmiY...  \n",
+              "\n",
+              "[40325 rows x 14 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-c69012d9-3dcb-4302-97f9-98aa7f3991b4\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>Id</th>\n",
+              "      <th>Reputation</th>\n",
+              "      <th>CreationDate</th>\n",
+              "      <th>DisplayName</th>\n",
+              "      <th>LastAccessDate</th>\n",
+              "      <th>WebsiteUrl</th>\n",
+              "      <th>Location</th>\n",
+              "      <th>AboutMe</th>\n",
+              "      <th>Views</th>\n",
+              "      <th>UpVotes</th>\n",
+              "      <th>DownVotes</th>\n",
+              "      <th>AccountId</th>\n",
+              "      <th>Age</th>\n",
+              "      <th>ProfileImageUrl</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>-1</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2010-07-19 06:55:26</td>\n",
+              "      <td>Community</td>\n",
+              "      <td>2010-07-19 06:55:26</td>\n",
+              "      <td>http://meta.stackexchange.com/</td>\n",
+              "      <td>on the server farm</td>\n",
+              "      <td>&lt;p&gt;Hi, I'm not really a person.&lt;/p&gt;\\r\\n\\r\\n&lt;p&gt;...</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5007</td>\n",
+              "      <td>1920</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 14:01:36</td>\n",
+              "      <td>Geoff Dalgas</td>\n",
+              "      <td>2013-11-12 22:07:23</td>\n",
+              "      <td>http://stackoverflow.com</td>\n",
+              "      <td>Corvallis, OR</td>\n",
+              "      <td>&lt;p&gt;Developer on the StackOverflow team.  Find ...</td>\n",
+              "      <td>25</td>\n",
+              "      <td>3</td>\n",
+              "      <td>0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>37.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 15:34:50</td>\n",
+              "      <td>Jarrod Dixon</td>\n",
+              "      <td>2014-08-08 06:42:58</td>\n",
+              "      <td>http://stackoverflow.com</td>\n",
+              "      <td>New York, NY</td>\n",
+              "      <td>&lt;p&gt;&lt;a href=\"http://blog.stackoverflow.com/2009...</td>\n",
+              "      <td>22</td>\n",
+              "      <td>19</td>\n",
+              "      <td>0</td>\n",
+              "      <td>3</td>\n",
+              "      <td>35.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>4</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 19:03:27</td>\n",
+              "      <td>Emmett</td>\n",
+              "      <td>2014-01-02 09:31:02</td>\n",
+              "      <td>http://minesweeperonline.com</td>\n",
+              "      <td>San Francisco, CA</td>\n",
+              "      <td>&lt;p&gt;currently at a startup in SF&lt;/p&gt;\\r\\n\\r\\n&lt;p&gt;...</td>\n",
+              "      <td>11</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>1998</td>\n",
+              "      <td>28.0</td>\n",
+              "      <td>http://i.stack.imgur.com/d1oHX.jpg</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>5</td>\n",
+              "      <td>6792</td>\n",
+              "      <td>2010-07-19 19:03:57</td>\n",
+              "      <td>Shane</td>\n",
+              "      <td>2014-08-13 00:23:47</td>\n",
+              "      <td>http://www.statalgo.com</td>\n",
+              "      <td>New York, NY</td>\n",
+              "      <td>&lt;p&gt;Quantitative researcher focusing on statist...</td>\n",
+              "      <td>1145</td>\n",
+              "      <td>662</td>\n",
+              "      <td>5</td>\n",
+              "      <td>54503</td>\n",
+              "      <td>35.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40320</th>\n",
+              "      <td>55743</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2014-09-13 21:03:50</td>\n",
+              "      <td>AussieMeg</td>\n",
+              "      <td>2014-09-13 21:18:52</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5026902</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>http://graph.facebook.com/665821703/picture?ty...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40321</th>\n",
+              "      <td>55744</td>\n",
+              "      <td>6</td>\n",
+              "      <td>2014-09-13 21:39:30</td>\n",
+              "      <td>Mia Maria</td>\n",
+              "      <td>2014-09-13 21:39:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5026998</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40322</th>\n",
+              "      <td>55745</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2014-09-13 23:45:27</td>\n",
+              "      <td>tronbabylove</td>\n",
+              "      <td>2014-09-13 23:45:27</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>United States</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>481766</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://www.gravatar.com/avatar/faa7a3fdbd8308...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40323</th>\n",
+              "      <td>55746</td>\n",
+              "      <td>106</td>\n",
+              "      <td>2014-09-14 00:29:41</td>\n",
+              "      <td>GPP</td>\n",
+              "      <td>2014-09-14 02:05:17</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;Stats noobie, product, marketing &amp;amp; medi...</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>976289</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://www.gravatar.com/avatar/6d9e9fa6b783a3...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40324</th>\n",
+              "      <td>55747</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2014-09-14 01:01:44</td>\n",
+              "      <td>Shivam Agrawal</td>\n",
+              "      <td>2014-09-14 01:19:04</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>India</td>\n",
+              "      <td>&lt;p&gt;Maths Enthusiast &lt;/p&gt;\\r\\n</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5027354</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://lh4.googleusercontent.com/-ZsXhwVaFmiY...</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40325 rows × 14 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-c69012d9-3dcb-4302-97f9-98aa7f3991b4')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-c69012d9-3dcb-4302-97f9-98aa7f3991b4 button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-c69012d9-3dcb-4302-97f9-98aa7f3991b4');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-a6831b81-beaf-4e26-8b76-b0e1ddf6672e\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-a6831b81-beaf-4e26-8b76-b0e1ddf6672e')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-a6831b81-beaf-4e26-8b76-b0e1ddf6672e button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 4
+        }
+      ],
+      "source": [
+        "Users = pd.read_csv(\"users_table.csv\")\n",
+        "Users"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "TRlVPpWzqtHb"
+      },
+      "source": [
+        "#### 3. Rename Id column to userId"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 652
+        },
+        "id": "JkzjOTJNqtHb",
+        "outputId": "8dda6df0-ff28-401d-821c-1c7dfeec263c"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "       userId  Reputation         CreationDate     DisplayName  \\\n",
+              "0          -1           1  2010-07-19 06:55:26       Community   \n",
+              "1           2         101  2010-07-19 14:01:36    Geoff Dalgas   \n",
+              "2           3         101  2010-07-19 15:34:50    Jarrod Dixon   \n",
+              "3           4         101  2010-07-19 19:03:27          Emmett   \n",
+              "4           5        6792  2010-07-19 19:03:57           Shane   \n",
+              "...       ...         ...                  ...             ...   \n",
+              "40320   55743           1  2014-09-13 21:03:50       AussieMeg   \n",
+              "40321   55744           6  2014-09-13 21:39:30       Mia Maria   \n",
+              "40322   55745         101  2014-09-13 23:45:27    tronbabylove   \n",
+              "40323   55746         106  2014-09-14 00:29:41             GPP   \n",
+              "40324   55747           1  2014-09-14 01:01:44  Shivam Agrawal   \n",
+              "\n",
+              "            LastAccessDate                      WebsiteUrl  \\\n",
+              "0      2010-07-19 06:55:26  http://meta.stackexchange.com/   \n",
+              "1      2013-11-12 22:07:23        http://stackoverflow.com   \n",
+              "2      2014-08-08 06:42:58        http://stackoverflow.com   \n",
+              "3      2014-01-02 09:31:02    http://minesweeperonline.com   \n",
+              "4      2014-08-13 00:23:47         http://www.statalgo.com   \n",
+              "...                    ...                             ...   \n",
+              "40320  2014-09-13 21:18:52                             NaN   \n",
+              "40321  2014-09-13 21:39:30                             NaN   \n",
+              "40322  2014-09-13 23:45:27                             NaN   \n",
+              "40323  2014-09-14 02:05:17                             NaN   \n",
+              "40324  2014-09-14 01:19:04                             NaN   \n",
+              "\n",
+              "                 Location                                            AboutMe  \\\n",
+              "0      on the server farm  <p>Hi, I'm not really a person.</p>\\r\\n\\r\\n<p>...   \n",
+              "1           Corvallis, OR  <p>Developer on the StackOverflow team.  Find ...   \n",
+              "2            New York, NY  <p><a href=\"http://blog.stackoverflow.com/2009...   \n",
+              "3       San Francisco, CA  <p>currently at a startup in SF</p>\\r\\n\\r\\n<p>...   \n",
+              "4            New York, NY  <p>Quantitative researcher focusing on statist...   \n",
+              "...                   ...                                                ...   \n",
+              "40320                 NaN                                                NaN   \n",
+              "40321                 NaN                                                NaN   \n",
+              "40322       United States                                                NaN   \n",
+              "40323                 NaN  <p>Stats noobie, product, marketing &amp; medi...   \n",
+              "40324               India                       <p>Maths Enthusiast </p>\\r\\n   \n",
+              "\n",
+              "       Views  UpVotes  DownVotes  AccountId   Age  \\\n",
+              "0          0     5007       1920         -1   NaN   \n",
+              "1         25        3          0          2  37.0   \n",
+              "2         22       19          0          3  35.0   \n",
+              "3         11        0          0       1998  28.0   \n",
+              "4       1145      662          5      54503  35.0   \n",
+              "...      ...      ...        ...        ...   ...   \n",
+              "40320      0        0          0    5026902   NaN   \n",
+              "40321      1        0          0    5026998   NaN   \n",
+              "40322      0        0          0     481766   NaN   \n",
+              "40323      1        0          0     976289   NaN   \n",
+              "40324      0        0          0    5027354   NaN   \n",
+              "\n",
+              "                                         ProfileImageUrl  \n",
+              "0                                                    NaN  \n",
+              "1                                                    NaN  \n",
+              "2                                                    NaN  \n",
+              "3                     http://i.stack.imgur.com/d1oHX.jpg  \n",
+              "4                                                    NaN  \n",
+              "...                                                  ...  \n",
+              "40320  http://graph.facebook.com/665821703/picture?ty...  \n",
+              "40321                                                NaN  \n",
+              "40322  https://www.gravatar.com/avatar/faa7a3fdbd8308...  \n",
+              "40323  https://www.gravatar.com/avatar/6d9e9fa6b783a3...  \n",
+              "40324  https://lh4.googleusercontent.com/-ZsXhwVaFmiY...  \n",
+              "\n",
+              "[40325 rows x 14 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-acd73084-c6d9-4022-a02c-999bedc79f63\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>userId</th>\n",
+              "      <th>Reputation</th>\n",
+              "      <th>CreationDate</th>\n",
+              "      <th>DisplayName</th>\n",
+              "      <th>LastAccessDate</th>\n",
+              "      <th>WebsiteUrl</th>\n",
+              "      <th>Location</th>\n",
+              "      <th>AboutMe</th>\n",
+              "      <th>Views</th>\n",
+              "      <th>UpVotes</th>\n",
+              "      <th>DownVotes</th>\n",
+              "      <th>AccountId</th>\n",
+              "      <th>Age</th>\n",
+              "      <th>ProfileImageUrl</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>-1</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2010-07-19 06:55:26</td>\n",
+              "      <td>Community</td>\n",
+              "      <td>2010-07-19 06:55:26</td>\n",
+              "      <td>http://meta.stackexchange.com/</td>\n",
+              "      <td>on the server farm</td>\n",
+              "      <td>&lt;p&gt;Hi, I'm not really a person.&lt;/p&gt;\\r\\n\\r\\n&lt;p&gt;...</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5007</td>\n",
+              "      <td>1920</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 14:01:36</td>\n",
+              "      <td>Geoff Dalgas</td>\n",
+              "      <td>2013-11-12 22:07:23</td>\n",
+              "      <td>http://stackoverflow.com</td>\n",
+              "      <td>Corvallis, OR</td>\n",
+              "      <td>&lt;p&gt;Developer on the StackOverflow team.  Find ...</td>\n",
+              "      <td>25</td>\n",
+              "      <td>3</td>\n",
+              "      <td>0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>37.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 15:34:50</td>\n",
+              "      <td>Jarrod Dixon</td>\n",
+              "      <td>2014-08-08 06:42:58</td>\n",
+              "      <td>http://stackoverflow.com</td>\n",
+              "      <td>New York, NY</td>\n",
+              "      <td>&lt;p&gt;&lt;a href=\"http://blog.stackoverflow.com/2009...</td>\n",
+              "      <td>22</td>\n",
+              "      <td>19</td>\n",
+              "      <td>0</td>\n",
+              "      <td>3</td>\n",
+              "      <td>35.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>4</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2010-07-19 19:03:27</td>\n",
+              "      <td>Emmett</td>\n",
+              "      <td>2014-01-02 09:31:02</td>\n",
+              "      <td>http://minesweeperonline.com</td>\n",
+              "      <td>San Francisco, CA</td>\n",
+              "      <td>&lt;p&gt;currently at a startup in SF&lt;/p&gt;\\r\\n\\r\\n&lt;p&gt;...</td>\n",
+              "      <td>11</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>1998</td>\n",
+              "      <td>28.0</td>\n",
+              "      <td>http://i.stack.imgur.com/d1oHX.jpg</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>5</td>\n",
+              "      <td>6792</td>\n",
+              "      <td>2010-07-19 19:03:57</td>\n",
+              "      <td>Shane</td>\n",
+              "      <td>2014-08-13 00:23:47</td>\n",
+              "      <td>http://www.statalgo.com</td>\n",
+              "      <td>New York, NY</td>\n",
+              "      <td>&lt;p&gt;Quantitative researcher focusing on statist...</td>\n",
+              "      <td>1145</td>\n",
+              "      <td>662</td>\n",
+              "      <td>5</td>\n",
+              "      <td>54503</td>\n",
+              "      <td>35.0</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40320</th>\n",
+              "      <td>55743</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2014-09-13 21:03:50</td>\n",
+              "      <td>AussieMeg</td>\n",
+              "      <td>2014-09-13 21:18:52</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5026902</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>http://graph.facebook.com/665821703/picture?ty...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40321</th>\n",
+              "      <td>55744</td>\n",
+              "      <td>6</td>\n",
+              "      <td>2014-09-13 21:39:30</td>\n",
+              "      <td>Mia Maria</td>\n",
+              "      <td>2014-09-13 21:39:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5026998</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40322</th>\n",
+              "      <td>55745</td>\n",
+              "      <td>101</td>\n",
+              "      <td>2014-09-13 23:45:27</td>\n",
+              "      <td>tronbabylove</td>\n",
+              "      <td>2014-09-13 23:45:27</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>United States</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>481766</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://www.gravatar.com/avatar/faa7a3fdbd8308...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40323</th>\n",
+              "      <td>55746</td>\n",
+              "      <td>106</td>\n",
+              "      <td>2014-09-14 00:29:41</td>\n",
+              "      <td>GPP</td>\n",
+              "      <td>2014-09-14 02:05:17</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;Stats noobie, product, marketing &amp;amp; medi...</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>976289</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://www.gravatar.com/avatar/6d9e9fa6b783a3...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40324</th>\n",
+              "      <td>55747</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2014-09-14 01:01:44</td>\n",
+              "      <td>Shivam Agrawal</td>\n",
+              "      <td>2014-09-14 01:19:04</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>India</td>\n",
+              "      <td>&lt;p&gt;Maths Enthusiast &lt;/p&gt;\\r\\n</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5027354</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>https://lh4.googleusercontent.com/-ZsXhwVaFmiY...</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40325 rows × 14 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-acd73084-c6d9-4022-a02c-999bedc79f63')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-acd73084-c6d9-4022-a02c-999bedc79f63 button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-acd73084-c6d9-4022-a02c-999bedc79f63');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-541b19a3-dadf-4c87-b3ed-61c9f81b666f\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-541b19a3-dadf-4c87-b3ed-61c9f81b666f')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-541b19a3-dadf-4c87-b3ed-61c9f81b666f button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 5
+        }
+      ],
+      "source": [
+        "Users = Users.rename(columns={\"Id\": \"userId\"})\n",
+        "\n",
+        "Users\n"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "kQpDwkonqtHb"
+      },
+      "source": [
+        "#### 4. Import posts table:"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 843
+        },
+        "id": "t0DBMa-HqtHb",
+        "outputId": "eed59f32-da51-4281-a3f1-3d4d73002005"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "          Id  PostTypeId  AcceptedAnswerId          CreaionDate  Score  \\\n",
+              "0          1           1              15.0  2010-07-19 19:12:12     23   \n",
+              "1          2           1              59.0  2010-07-19 19:12:57     22   \n",
+              "2          3           1               5.0  2010-07-19 19:13:28     54   \n",
+              "3          4           1             135.0  2010-07-19 19:13:31     13   \n",
+              "4          5           2               NaN  2010-07-19 19:14:43     81   \n",
+              "...      ...         ...               ...                  ...    ...   \n",
+              "39995  48321           2               NaN  2013-01-23 09:00:01      0   \n",
+              "39996  48322           2               NaN  2013-01-23 09:09:34      3   \n",
+              "39997  48323           2               NaN  2013-01-23 09:16:44      1   \n",
+              "39998  48324           2               NaN  2013-01-23 09:36:07      3   \n",
+              "39999  48325           1               NaN  2013-01-23 09:44:07     -1   \n",
+              "\n",
+              "       ViewCount                                               Body  \\\n",
+              "0         1278.0  <p>How should I elicit prior distributions fro...   \n",
+              "1         8198.0  <p>In many different statistical methods there...   \n",
+              "2         3613.0  <p>What are some valuable Statistical Analysis...   \n",
+              "3         5224.0  <p>I have two groups of data.  Each with a dif...   \n",
+              "4            NaN  <p>The R-project</p>\\n\\n<p><a href=\"http://www...   \n",
+              "...          ...                                                ...   \n",
+              "39995        NaN  <p>you can use the matlab codes for svm and co...   \n",
+              "39996        NaN  <p>I use <a href=\"http://www.gnu.org/software/...   \n",
+              "39997        NaN  <p>If I understand your question correctly, yo...   \n",
+              "39998        NaN  <p>Doesn't really help you with your question,...   \n",
+              "39999      116.0  <p>I have 10 vectors each having 100,000 point...   \n",
+              "\n",
+              "       OwnerUserId      LasActivityDate  \\\n",
+              "0              8.0  2010-09-15 21:08:26   \n",
+              "1             24.0  2012-11-12 09:21:54   \n",
+              "2             18.0  2013-05-27 14:48:36   \n",
+              "3             23.0  2010-09-08 03:00:19   \n",
+              "4             23.0  2010-07-19 19:21:15   \n",
+              "...            ...                  ...   \n",
+              "39995      19966.0  2013-01-23 09:00:01   \n",
+              "39996        892.0  2013-01-23 13:13:30   \n",
+              "39997       2020.0  2013-01-23 09:16:44   \n",
+              "39998      19914.0  2013-01-23 09:36:07   \n",
+              "39999      19968.0  2013-02-22 11:23:54   \n",
+              "\n",
+              "                                                   Title  ... AnswerCount  \\\n",
+              "0                          Eliciting priors from experts  ...         5.0   \n",
+              "1                                     What is normality?  ...         7.0   \n",
+              "2      What are some valuable Statistical Analysis op...  ...        19.0   \n",
+              "3      Assessing the significance of differences in d...  ...         5.0   \n",
+              "4                                                    NaN  ...         NaN   \n",
+              "...                                                  ...  ...         ...   \n",
+              "39995                                                NaN  ...         NaN   \n",
+              "39996                                                NaN  ...         NaN   \n",
+              "39997                                                NaN  ...         NaN   \n",
+              "39998                                                NaN  ...         NaN   \n",
+              "39999  are data sets obtained from a Normal distribut...  ...         2.0   \n",
+              "\n",
+              "       CommentCount  FavoriteCount  LastEditorUserId         LastEditDate  \\\n",
+              "0                 1           14.0               NaN                  NaN   \n",
+              "1                 1            8.0              88.0  2010-08-07 17:56:44   \n",
+              "2                 4           36.0             183.0  2011-02-12 05:50:03   \n",
+              "3                 2            2.0               NaN                  NaN   \n",
+              "4                 3            NaN              23.0  2010-07-19 19:21:15   \n",
+              "...             ...            ...               ...                  ...   \n",
+              "39995             0            NaN               NaN                  NaN   \n",
+              "39996             2            NaN             892.0  2013-01-23 13:13:30   \n",
+              "39997             0            NaN               NaN                  NaN   \n",
+              "39998             0            NaN               NaN                  NaN   \n",
+              "39999             4            NaN               NaN                  NaN   \n",
+              "\n",
+              "        CommunityOwnedDate ParentId  ClosedDate OwnerDisplayName  \\\n",
+              "0                      NaN      NaN         NaN              NaN   \n",
+              "1                      NaN      NaN         NaN              NaN   \n",
+              "2      2010-07-19 19:13:28      NaN         NaN              NaN   \n",
+              "3                      NaN      NaN         NaN              NaN   \n",
+              "4      2010-07-19 19:14:43      3.0         NaN              NaN   \n",
+              "...                    ...      ...         ...              ...   \n",
+              "39995                  NaN  45118.0         NaN              NaN   \n",
+              "39996                  NaN  48311.0         NaN              NaN   \n",
+              "39997                  NaN  48247.0         NaN              NaN   \n",
+              "39998                  NaN  48297.0         NaN              NaN   \n",
+              "39999                  NaN      NaN         NaN              NaN   \n",
+              "\n",
+              "      LastEditorDisplayName  \n",
+              "0                       NaN  \n",
+              "1                       NaN  \n",
+              "2                       NaN  \n",
+              "3                       NaN  \n",
+              "4                       NaN  \n",
+              "...                     ...  \n",
+              "39995                   NaN  \n",
+              "39996                   NaN  \n",
+              "39997                   NaN  \n",
+              "39998                   NaN  \n",
+              "39999                   NaN  \n",
+              "\n",
+              "[40000 rows x 21 columns]"
+            ],
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+              "\n",
+              "  <div id=\"df-c0fe2f62-cf23-4aca-bf5e-5ce6d9879dfe\" class=\"colab-df-container\">\n",
+              "    <div>\n",
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+              "      <td>15.0</td>\n",
+              "      <td>2010-07-19 19:12:12</td>\n",
+              "      <td>23</td>\n",
+              "      <td>1278.0</td>\n",
+              "      <td>&lt;p&gt;How should I elicit prior distributions fro...</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>2010-09-15 21:08:26</td>\n",
+              "      <td>Eliciting priors from experts</td>\n",
+              "      <td>...</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>1</td>\n",
+              "      <td>14.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
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+              "      <td>22</td>\n",
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+              "      <td>24.0</td>\n",
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+              "      <td>What is normality?</td>\n",
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+              "      <td>7.0</td>\n",
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+              "      <td>8.0</td>\n",
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+              "      <td>NaN</td>\n",
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+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>1</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>2010-07-19 19:13:28</td>\n",
+              "      <td>54</td>\n",
+              "      <td>3613.0</td>\n",
+              "      <td>&lt;p&gt;What are some valuable Statistical Analysis...</td>\n",
+              "      <td>18.0</td>\n",
+              "      <td>2013-05-27 14:48:36</td>\n",
+              "      <td>What are some valuable Statistical Analysis op...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>19.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>36.0</td>\n",
+              "      <td>183.0</td>\n",
+              "      <td>2011-02-12 05:50:03</td>\n",
+              "      <td>2010-07-19 19:13:28</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
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+              "      <th>3</th>\n",
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+              "      <td>13</td>\n",
+              "      <td>5224.0</td>\n",
+              "      <td>&lt;p&gt;I have two groups of data.  Each with a dif...</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>2010-09-08 03:00:19</td>\n",
+              "      <td>Assessing the significance of differences in d...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
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+              "      <td>2</td>\n",
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+              "      <td>2010-07-19 19:14:43</td>\n",
+              "      <td>81</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;The R-project&lt;/p&gt;\\n\\n&lt;p&gt;&lt;a href=\"http://www...</td>\n",
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+              "      <td>3</td>\n",
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+              "      <td>2010-07-19 19:21:15</td>\n",
+              "      <td>2010-07-19 19:14:43</td>\n",
+              "      <td>3.0</td>\n",
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+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39995</th>\n",
+              "      <td>48321</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:00:01</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;you can use the matlab codes for svm and co...</td>\n",
+              "      <td>19966.0</td>\n",
+              "      <td>2013-01-23 09:00:01</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>45118.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39996</th>\n",
+              "      <td>48322</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:09:34</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;I use &lt;a href=\"http://www.gnu.org/software/...</td>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2013-01-23 13:13:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
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+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2013-01-23 13:13:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48311.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39997</th>\n",
+              "      <td>48323</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:16:44</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;If I understand your question correctly, yo...</td>\n",
+              "      <td>2020.0</td>\n",
+              "      <td>2013-01-23 09:16:44</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48247.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39998</th>\n",
+              "      <td>48324</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:36:07</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;Doesn't really help you with your question,...</td>\n",
+              "      <td>19914.0</td>\n",
+              "      <td>2013-01-23 09:36:07</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48297.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39999</th>\n",
+              "      <td>48325</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:44:07</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>116.0</td>\n",
+              "      <td>&lt;p&gt;I have 10 vectors each having 100,000 point...</td>\n",
+              "      <td>19968.0</td>\n",
+              "      <td>2013-02-22 11:23:54</td>\n",
+              "      <td>are data sets obtained from a Normal distribut...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40000 rows × 21 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-c0fe2f62-cf23-4aca-bf5e-5ce6d9879dfe')\"\n",
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+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
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+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
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+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-c0fe2f62-cf23-4aca-bf5e-5ce6d9879dfe button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-c0fe2f62-cf23-4aca-bf5e-5ce6d9879dfe');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
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+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-e72b8f48-ef27-400c-ba3a-821ed7958fd4\">\n",
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+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
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+              "    <g>\n",
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+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
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+              "      --disabled-bg-color: #3B4455;\n",
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+              "  .colab-df-quickchart {\n",
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+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
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+              "    height: 32px;\n",
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+              "    width: 32px;\n",
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+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
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+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
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+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
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+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-e72b8f48-ef27-400c-ba3a-821ed7958fd4 button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 7
+        }
+      ],
+      "source": [
+        "Posts = pd.read_csv(\"posts_table.csv\")\n",
+        "Posts"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "iwC_Q3-AqtHb"
+      },
+      "source": [
+        "#### 5. Rename Id column to postId and OwnerUserId to userId"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 843
+        },
+        "id": "WRsJqLL2qtHb",
+        "outputId": "b78496d0-3d6d-4b41-bf03-ff121d3dbda3"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "       postId  PostTypeId  AcceptedAnswerId          CreaionDate  Score  \\\n",
+              "0           1           1              15.0  2010-07-19 19:12:12     23   \n",
+              "1           2           1              59.0  2010-07-19 19:12:57     22   \n",
+              "2           3           1               5.0  2010-07-19 19:13:28     54   \n",
+              "3           4           1             135.0  2010-07-19 19:13:31     13   \n",
+              "4           5           2               NaN  2010-07-19 19:14:43     81   \n",
+              "...       ...         ...               ...                  ...    ...   \n",
+              "39995   48321           2               NaN  2013-01-23 09:00:01      0   \n",
+              "39996   48322           2               NaN  2013-01-23 09:09:34      3   \n",
+              "39997   48323           2               NaN  2013-01-23 09:16:44      1   \n",
+              "39998   48324           2               NaN  2013-01-23 09:36:07      3   \n",
+              "39999   48325           1               NaN  2013-01-23 09:44:07     -1   \n",
+              "\n",
+              "       ViewCount                                               Body   userId  \\\n",
+              "0         1278.0  <p>How should I elicit prior distributions fro...      8.0   \n",
+              "1         8198.0  <p>In many different statistical methods there...     24.0   \n",
+              "2         3613.0  <p>What are some valuable Statistical Analysis...     18.0   \n",
+              "3         5224.0  <p>I have two groups of data.  Each with a dif...     23.0   \n",
+              "4            NaN  <p>The R-project</p>\\n\\n<p><a href=\"http://www...     23.0   \n",
+              "...          ...                                                ...      ...   \n",
+              "39995        NaN  <p>you can use the matlab codes for svm and co...  19966.0   \n",
+              "39996        NaN  <p>I use <a href=\"http://www.gnu.org/software/...    892.0   \n",
+              "39997        NaN  <p>If I understand your question correctly, yo...   2020.0   \n",
+              "39998        NaN  <p>Doesn't really help you with your question,...  19914.0   \n",
+              "39999      116.0  <p>I have 10 vectors each having 100,000 point...  19968.0   \n",
+              "\n",
+              "           LasActivityDate                                              Title  \\\n",
+              "0      2010-09-15 21:08:26                      Eliciting priors from experts   \n",
+              "1      2012-11-12 09:21:54                                 What is normality?   \n",
+              "2      2013-05-27 14:48:36  What are some valuable Statistical Analysis op...   \n",
+              "3      2010-09-08 03:00:19  Assessing the significance of differences in d...   \n",
+              "4      2010-07-19 19:21:15                                                NaN   \n",
+              "...                    ...                                                ...   \n",
+              "39995  2013-01-23 09:00:01                                                NaN   \n",
+              "39996  2013-01-23 13:13:30                                                NaN   \n",
+              "39997  2013-01-23 09:16:44                                                NaN   \n",
+              "39998  2013-01-23 09:36:07                                                NaN   \n",
+              "39999  2013-02-22 11:23:54  are data sets obtained from a Normal distribut...   \n",
+              "\n",
+              "       ... AnswerCount  CommentCount  FavoriteCount  LastEditorUserId  \\\n",
+              "0      ...         5.0             1           14.0               NaN   \n",
+              "1      ...         7.0             1            8.0              88.0   \n",
+              "2      ...        19.0             4           36.0             183.0   \n",
+              "3      ...         5.0             2            2.0               NaN   \n",
+              "4      ...         NaN             3            NaN              23.0   \n",
+              "...    ...         ...           ...            ...               ...   \n",
+              "39995  ...         NaN             0            NaN               NaN   \n",
+              "39996  ...         NaN             2            NaN             892.0   \n",
+              "39997  ...         NaN             0            NaN               NaN   \n",
+              "39998  ...         NaN             0            NaN               NaN   \n",
+              "39999  ...         2.0             4            NaN               NaN   \n",
+              "\n",
+              "              LastEditDate   CommunityOwnedDate ParentId  ClosedDate  \\\n",
+              "0                      NaN                  NaN      NaN         NaN   \n",
+              "1      2010-08-07 17:56:44                  NaN      NaN         NaN   \n",
+              "2      2011-02-12 05:50:03  2010-07-19 19:13:28      NaN         NaN   \n",
+              "3                      NaN                  NaN      NaN         NaN   \n",
+              "4      2010-07-19 19:21:15  2010-07-19 19:14:43      3.0         NaN   \n",
+              "...                    ...                  ...      ...         ...   \n",
+              "39995                  NaN                  NaN  45118.0         NaN   \n",
+              "39996  2013-01-23 13:13:30                  NaN  48311.0         NaN   \n",
+              "39997                  NaN                  NaN  48247.0         NaN   \n",
+              "39998                  NaN                  NaN  48297.0         NaN   \n",
+              "39999                  NaN                  NaN      NaN         NaN   \n",
+              "\n",
+              "      OwnerDisplayName LastEditorDisplayName  \n",
+              "0                  NaN                   NaN  \n",
+              "1                  NaN                   NaN  \n",
+              "2                  NaN                   NaN  \n",
+              "3                  NaN                   NaN  \n",
+              "4                  NaN                   NaN  \n",
+              "...                ...                   ...  \n",
+              "39995              NaN                   NaN  \n",
+              "39996              NaN                   NaN  \n",
+              "39997              NaN                   NaN  \n",
+              "39998              NaN                   NaN  \n",
+              "39999              NaN                   NaN  \n",
+              "\n",
+              "[40000 rows x 21 columns]"
+            ],
+            "text/html": [
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+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>postId</th>\n",
+              "      <th>PostTypeId</th>\n",
+              "      <th>AcceptedAnswerId</th>\n",
+              "      <th>CreaionDate</th>\n",
+              "      <th>Score</th>\n",
+              "      <th>ViewCount</th>\n",
+              "      <th>Body</th>\n",
+              "      <th>userId</th>\n",
+              "      <th>LasActivityDate</th>\n",
+              "      <th>Title</th>\n",
+              "      <th>...</th>\n",
+              "      <th>AnswerCount</th>\n",
+              "      <th>CommentCount</th>\n",
+              "      <th>FavoriteCount</th>\n",
+              "      <th>LastEditorUserId</th>\n",
+              "      <th>LastEditDate</th>\n",
+              "      <th>CommunityOwnedDate</th>\n",
+              "      <th>ParentId</th>\n",
+              "      <th>ClosedDate</th>\n",
+              "      <th>OwnerDisplayName</th>\n",
+              "      <th>LastEditorDisplayName</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>1</td>\n",
+              "      <td>1</td>\n",
+              "      <td>15.0</td>\n",
+              "      <td>2010-07-19 19:12:12</td>\n",
+              "      <td>23</td>\n",
+              "      <td>1278.0</td>\n",
+              "      <td>&lt;p&gt;How should I elicit prior distributions fro...</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>2010-09-15 21:08:26</td>\n",
+              "      <td>Eliciting priors from experts</td>\n",
+              "      <td>...</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>1</td>\n",
+              "      <td>14.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
+              "      <td>1</td>\n",
+              "      <td>59.0</td>\n",
+              "      <td>2010-07-19 19:12:57</td>\n",
+              "      <td>22</td>\n",
+              "      <td>8198.0</td>\n",
+              "      <td>&lt;p&gt;In many different statistical methods there...</td>\n",
+              "      <td>24.0</td>\n",
+              "      <td>2012-11-12 09:21:54</td>\n",
+              "      <td>What is normality?</td>\n",
+              "      <td>...</td>\n",
+              "      <td>7.0</td>\n",
+              "      <td>1</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>88.0</td>\n",
+              "      <td>2010-08-07 17:56:44</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>1</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>2010-07-19 19:13:28</td>\n",
+              "      <td>54</td>\n",
+              "      <td>3613.0</td>\n",
+              "      <td>&lt;p&gt;What are some valuable Statistical Analysis...</td>\n",
+              "      <td>18.0</td>\n",
+              "      <td>2013-05-27 14:48:36</td>\n",
+              "      <td>What are some valuable Statistical Analysis op...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>19.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>36.0</td>\n",
+              "      <td>183.0</td>\n",
+              "      <td>2011-02-12 05:50:03</td>\n",
+              "      <td>2010-07-19 19:13:28</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>4</td>\n",
+              "      <td>1</td>\n",
+              "      <td>135.0</td>\n",
+              "      <td>2010-07-19 19:13:31</td>\n",
+              "      <td>13</td>\n",
+              "      <td>5224.0</td>\n",
+              "      <td>&lt;p&gt;I have two groups of data.  Each with a dif...</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>2010-09-08 03:00:19</td>\n",
+              "      <td>Assessing the significance of differences in d...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>5.0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>5</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2010-07-19 19:14:43</td>\n",
+              "      <td>81</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;The R-project&lt;/p&gt;\\n\\n&lt;p&gt;&lt;a href=\"http://www...</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>2010-07-19 19:21:15</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>2010-07-19 19:21:15</td>\n",
+              "      <td>2010-07-19 19:14:43</td>\n",
+              "      <td>3.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39995</th>\n",
+              "      <td>48321</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:00:01</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;you can use the matlab codes for svm and co...</td>\n",
+              "      <td>19966.0</td>\n",
+              "      <td>2013-01-23 09:00:01</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>45118.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39996</th>\n",
+              "      <td>48322</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:09:34</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;I use &lt;a href=\"http://www.gnu.org/software/...</td>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2013-01-23 13:13:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2013-01-23 13:13:30</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48311.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39997</th>\n",
+              "      <td>48323</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:16:44</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;If I understand your question correctly, yo...</td>\n",
+              "      <td>2020.0</td>\n",
+              "      <td>2013-01-23 09:16:44</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48247.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39998</th>\n",
+              "      <td>48324</td>\n",
+              "      <td>2</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:36:07</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>&lt;p&gt;Doesn't really help you with your question,...</td>\n",
+              "      <td>19914.0</td>\n",
+              "      <td>2013-01-23 09:36:07</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>...</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>48297.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39999</th>\n",
+              "      <td>48325</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2013-01-23 09:44:07</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>116.0</td>\n",
+              "      <td>&lt;p&gt;I have 10 vectors each having 100,000 point...</td>\n",
+              "      <td>19968.0</td>\n",
+              "      <td>2013-02-22 11:23:54</td>\n",
+              "      <td>are data sets obtained from a Normal distribut...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>NaN</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40000 rows × 21 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-d4624bd2-f2fd-407f-9054-f26442e47048')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-d4624bd2-f2fd-407f-9054-f26442e47048 button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-d4624bd2-f2fd-407f-9054-f26442e47048');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-87ba55d5-596c-4bcb-93b7-b2e16f8c9ec6\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-87ba55d5-596c-4bcb-93b7-b2e16f8c9ec6')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-87ba55d5-596c-4bcb-93b7-b2e16f8c9ec6 button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 8
+        }
+      ],
+      "source": [
+        "Posts = Posts.rename(columns={\"Id\": \"postId\", \"OwnerUserId\": \"userId\"})\n",
+        "Posts"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "QYdpmnz5qtHb"
+      },
+      "source": [
+        "#### 6. Define new dataframes for users and posts with the following selected columns:\n",
+        "    **users columns**: userId, Reputation,Views,UpVotes,DownVotes\n",
+        "    **posts columns**: postId, Score,userId,ViewCount,CommentCount"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 831
+        },
+        "id": "nKnCfL0JqtHc",
+        "outputId": "11550368-c369-4fd5-e9a5-006db710ff31"
+      },
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "       userId  Reputation  Views  UpVotes  DownVotes\n",
+              "0          -1           1      0     5007       1920\n",
+              "1           2         101     25        3          0\n",
+              "2           3         101     22       19          0\n",
+              "3           4         101     11        0          0\n",
+              "4           5        6792   1145      662          5\n",
+              "...       ...         ...    ...      ...        ...\n",
+              "40320   55743           1      0        0          0\n",
+              "40321   55744           6      1        0          0\n",
+              "40322   55745         101      0        0          0\n",
+              "40323   55746         106      1        0          0\n",
+              "40324   55747           1      0        0          0\n",
+              "\n",
+              "[40325 rows x 5 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-30248cce-2b65-4b32-babe-08298a88bdbf\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>userId</th>\n",
+              "      <th>Reputation</th>\n",
+              "      <th>Views</th>\n",
+              "      <th>UpVotes</th>\n",
+              "      <th>DownVotes</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>-1</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>5007</td>\n",
+              "      <td>1920</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
+              "      <td>101</td>\n",
+              "      <td>25</td>\n",
+              "      <td>3</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>101</td>\n",
+              "      <td>22</td>\n",
+              "      <td>19</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>4</td>\n",
+              "      <td>101</td>\n",
+              "      <td>11</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>5</td>\n",
+              "      <td>6792</td>\n",
+              "      <td>1145</td>\n",
+              "      <td>662</td>\n",
+              "      <td>5</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40320</th>\n",
+              "      <td>55743</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40321</th>\n",
+              "      <td>55744</td>\n",
+              "      <td>6</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40322</th>\n",
+              "      <td>55745</td>\n",
+              "      <td>101</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40323</th>\n",
+              "      <td>55746</td>\n",
+              "      <td>106</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>40324</th>\n",
+              "      <td>55747</td>\n",
+              "      <td>1</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40325 rows × 5 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-30248cce-2b65-4b32-babe-08298a88bdbf')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-30248cce-2b65-4b32-babe-08298a88bdbf button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-30248cce-2b65-4b32-babe-08298a88bdbf');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-b1a8df23-1226-4e50-bcf3-0db666429607\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-b1a8df23-1226-4e50-bcf3-0db666429607')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-b1a8df23-1226-4e50-bcf3-0db666429607 button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "       postId  Score   userId  ViewCount  CommentCount\n",
+              "0           1     23      8.0     1278.0             1\n",
+              "1           2     22     24.0     8198.0             1\n",
+              "2           3     54     18.0     3613.0             4\n",
+              "3           4     13     23.0     5224.0             2\n",
+              "4           5     81     23.0        NaN             3\n",
+              "...       ...    ...      ...        ...           ...\n",
+              "39995   48321      0  19966.0        NaN             0\n",
+              "39996   48322      3    892.0        NaN             2\n",
+              "39997   48323      1   2020.0        NaN             0\n",
+              "39998   48324      3  19914.0        NaN             0\n",
+              "39999   48325     -1  19968.0      116.0             4\n",
+              "\n",
+              "[40000 rows x 5 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-05edb70c-99d9-4579-8afc-26f1bf1a6a15\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>postId</th>\n",
+              "      <th>Score</th>\n",
+              "      <th>userId</th>\n",
+              "      <th>ViewCount</th>\n",
+              "      <th>CommentCount</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>1</td>\n",
+              "      <td>23</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>1278.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>2</td>\n",
+              "      <td>22</td>\n",
+              "      <td>24.0</td>\n",
+              "      <td>8198.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>3</td>\n",
+              "      <td>54</td>\n",
+              "      <td>18.0</td>\n",
+              "      <td>3613.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>4</td>\n",
+              "      <td>13</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>5224.0</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>5</td>\n",
+              "      <td>81</td>\n",
+              "      <td>23.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>3</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39995</th>\n",
+              "      <td>48321</td>\n",
+              "      <td>0</td>\n",
+              "      <td>19966.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39996</th>\n",
+              "      <td>48322</td>\n",
+              "      <td>3</td>\n",
+              "      <td>892.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39997</th>\n",
+              "      <td>48323</td>\n",
+              "      <td>1</td>\n",
+              "      <td>2020.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39998</th>\n",
+              "      <td>48324</td>\n",
+              "      <td>3</td>\n",
+              "      <td>19914.0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39999</th>\n",
+              "      <td>48325</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>19968.0</td>\n",
+              "      <td>116.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40000 rows × 5 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-05edb70c-99d9-4579-8afc-26f1bf1a6a15')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-05edb70c-99d9-4579-8afc-26f1bf1a6a15 button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-05edb70c-99d9-4579-8afc-26f1bf1a6a15');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-bdc6d913-b924-41a9-9804-698a6a25cff4\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-bdc6d913-b924-41a9-9804-698a6a25cff4')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-bdc6d913-b924-41a9-9804-698a6a25cff4 button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {}
+        }
+      ],
+      "source": [
+        "Users = Users[[\"userId\", \"Reputation\", \"Views\", \"UpVotes\", \"DownVotes\"]]\n",
+        "Posts = Posts[[\"postId\", \"Score\", \"userId\", \"ViewCount\", \"CommentCount\"]]\n",
+        "\n",
+        "display(Users,Posts)"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "cXr_b9j1qtHc"
+      },
+      "source": [
+        "#### 7. Merge both dataframes, users and posts.\n",
+        "You will need to make a [merge](https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.merge.html) of posts and users dataframes."
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 424
+        },
+        "id": "eP-D8_vYqtHc",
+        "outputId": "6074eae2-fc32-4c01-f7f2-69c8c594a004"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "        userId  Reputation   Views  UpVotes  DownVotes  postId  Score  \\\n",
+              "0          8.0      6764.0  1089.0    604.0       25.0       1     23   \n",
+              "1         24.0       344.0    48.0     36.0        1.0       2     22   \n",
+              "2         18.0       128.0     8.0     16.0        0.0       3     54   \n",
+              "3         23.0       308.0    52.0     34.0        1.0       4     13   \n",
+              "4         23.0       308.0    52.0     34.0        1.0       5     81   \n",
+              "...        ...         ...     ...      ...        ...     ...    ...   \n",
+              "39995  19966.0         1.0     1.0      0.0        0.0   48321      0   \n",
+              "39996    892.0      2772.0   207.0    167.0        2.0   48322      3   \n",
+              "39997   2020.0       565.0    80.0     81.0        0.0   48323      1   \n",
+              "39998  19914.0        63.0     6.0      3.0        0.0   48324      3   \n",
+              "39999  19968.0         1.0     1.0      0.0        0.0   48325     -1   \n",
+              "\n",
+              "       ViewCount  CommentCount  \n",
+              "0         1278.0             1  \n",
+              "1         8198.0             1  \n",
+              "2         3613.0             4  \n",
+              "3         5224.0             2  \n",
+              "4            NaN             3  \n",
+              "...          ...           ...  \n",
+              "39995        NaN             0  \n",
+              "39996        NaN             2  \n",
+              "39997        NaN             0  \n",
+              "39998        NaN             0  \n",
+              "39999      116.0             4  \n",
+              "\n",
+              "[40000 rows x 9 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-3a1944f3-44e1-462c-8c3f-72315dd0694e\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>userId</th>\n",
+              "      <th>Reputation</th>\n",
+              "      <th>Views</th>\n",
+              "      <th>UpVotes</th>\n",
+              "      <th>DownVotes</th>\n",
+              "      <th>postId</th>\n",
+              "      <th>Score</th>\n",
+              "      <th>ViewCount</th>\n",
+              "      <th>CommentCount</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>8.0</td>\n",
+              "      <td>6764.0</td>\n",
+              "      <td>1089.0</td>\n",
+              "      <td>604.0</td>\n",
+              "      <td>25.0</td>\n",
+              "      <td>1</td>\n",
+              "      <td>23</td>\n",
+              "      <td>1278.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>24.0</td>\n",
+              "      <td>344.0</td>\n",
+              "      <td>48.0</td>\n",
+              "      <td>36.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>22</td>\n",
+              "      <td>8198.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>18.0</td>\n",
+              "      <td>128.0</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>16.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>3</td>\n",
+              "      <td>54</td>\n",
+              "      <td>3613.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>23.0</td>\n",
+              "      <td>308.0</td>\n",
+              "      <td>52.0</td>\n",
+              "      <td>34.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>13</td>\n",
+              "      <td>5224.0</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>23.0</td>\n",
+              "      <td>308.0</td>\n",
+              "      <td>52.0</td>\n",
+              "      <td>34.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>5</td>\n",
+              "      <td>81</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>3</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39995</th>\n",
+              "      <td>19966.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48321</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39996</th>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2772.0</td>\n",
+              "      <td>207.0</td>\n",
+              "      <td>167.0</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>48322</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39997</th>\n",
+              "      <td>2020.0</td>\n",
+              "      <td>565.0</td>\n",
+              "      <td>80.0</td>\n",
+              "      <td>81.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48323</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39998</th>\n",
+              "      <td>19914.0</td>\n",
+              "      <td>63.0</td>\n",
+              "      <td>6.0</td>\n",
+              "      <td>3.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48324</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>39999</th>\n",
+              "      <td>19968.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48325</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>116.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>40000 rows × 9 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-3a1944f3-44e1-462c-8c3f-72315dd0694e')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-3a1944f3-44e1-462c-8c3f-72315dd0694e button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-3a1944f3-44e1-462c-8c3f-72315dd0694e');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-6873846b-b138-4ce5-94ba-8680ade688fb\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-6873846b-b138-4ce5-94ba-8680ade688fb')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-6873846b-b138-4ce5-94ba-8680ade688fb button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 13
+        }
+      ],
+      "source": [
+        "Merged = Users.merge(Posts, how=\"right\")\n",
+        "\n",
+        "Merged"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "NJCiQllsqtHc"
+      },
+      "source": [
+        "#### 8. How many missing values do you have in your merged dataframe? On which columns?"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "ws26wSBFqtHc",
+        "outputId": "bf94bee4-a0d6-4414-dc65-ac0c2ec29539"
+      },
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "userId           1038\n",
+            "Reputation       1038\n",
+            "Views            1038\n",
+            "UpVotes          1038\n",
+            "DownVotes        1038\n",
+            "postId              0\n",
+            "Score               0\n",
+            "ViewCount       24105\n",
+            "CommentCount        0\n",
+            "dtype: int64\n"
+          ]
+        }
+      ],
+      "source": [
+        "missing_values = Merged.isnull().sum()\n",
+        "print(missing_values)"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "tLFjJEqzqtHc"
+      },
+      "source": [
+        "#### 9. You will need to make something with missing values.  Will you clean or filling them? Explain.\n",
+        "**Remember** to check the results of your code before passing to the next step"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "I will clean the value and delete the rows without user data."
+      ],
+      "metadata": {
+        "id": "9Ff5NK_Ixq1E"
+      }
+    },
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "zfKk_b89qtHc",
+        "outputId": "b3a90341-0b4d-4396-f10e-d6d0ace4fbe9"
+      },
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "0        False\n",
+              "1        False\n",
+              "2        False\n",
+              "3        False\n",
+              "4        False\n",
+              "         ...  \n",
+              "39995    False\n",
+              "39996    False\n",
+              "39997    False\n",
+              "39998    False\n",
+              "39999    False\n",
+              "Name: userId, Length: 40000, dtype: bool"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 20
+        }
+      ],
+      "source": [
+        "users_null = Merged[\"userId\"].isnull()\n",
+        "\n",
+        "users_null"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "import pandas as pd\n",
+        "\n",
+        "Merged = Merged.dropna(subset=['userId'])\n",
+        "\n",
+        "Merged = Merged.reset_index(drop=True)\n",
+        "\n",
+        "Merged\n"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 424
+        },
+        "id": "mMgJNzpG7CZC",
+        "outputId": "8b3c9f25-7fa1-4d8a-d2be-6c1135c8ac2d"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "        userId  Reputation   Views  UpVotes  DownVotes  postId  Score  \\\n",
+              "0          8.0      6764.0  1089.0    604.0       25.0       1     23   \n",
+              "1         24.0       344.0    48.0     36.0        1.0       2     22   \n",
+              "2         18.0       128.0     8.0     16.0        0.0       3     54   \n",
+              "3         23.0       308.0    52.0     34.0        1.0       4     13   \n",
+              "4         23.0       308.0    52.0     34.0        1.0       5     81   \n",
+              "...        ...         ...     ...      ...        ...     ...    ...   \n",
+              "38957  19966.0         1.0     1.0      0.0        0.0   48321      0   \n",
+              "38958    892.0      2772.0   207.0    167.0        2.0   48322      3   \n",
+              "38959   2020.0       565.0    80.0     81.0        0.0   48323      1   \n",
+              "38960  19914.0        63.0     6.0      3.0        0.0   48324      3   \n",
+              "38961  19968.0         1.0     1.0      0.0        0.0   48325     -1   \n",
+              "\n",
+              "       ViewCount  CommentCount  \n",
+              "0         1278.0             1  \n",
+              "1         8198.0             1  \n",
+              "2         3613.0             4  \n",
+              "3         5224.0             2  \n",
+              "4            NaN             3  \n",
+              "...          ...           ...  \n",
+              "38957        NaN             0  \n",
+              "38958        NaN             2  \n",
+              "38959        NaN             0  \n",
+              "38960        NaN             0  \n",
+              "38961      116.0             4  \n",
+              "\n",
+              "[38962 rows x 9 columns]"
+            ],
+            "text/html": [
+              "\n",
+              "  <div id=\"df-1a857a44-41cf-494c-8e56-d3b4b4caba80\" class=\"colab-df-container\">\n",
+              "    <div>\n",
+              "<style scoped>\n",
+              "    .dataframe tbody tr th:only-of-type {\n",
+              "        vertical-align: middle;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe tbody tr th {\n",
+              "        vertical-align: top;\n",
+              "    }\n",
+              "\n",
+              "    .dataframe thead th {\n",
+              "        text-align: right;\n",
+              "    }\n",
+              "</style>\n",
+              "<table border=\"1\" class=\"dataframe\">\n",
+              "  <thead>\n",
+              "    <tr style=\"text-align: right;\">\n",
+              "      <th></th>\n",
+              "      <th>userId</th>\n",
+              "      <th>Reputation</th>\n",
+              "      <th>Views</th>\n",
+              "      <th>UpVotes</th>\n",
+              "      <th>DownVotes</th>\n",
+              "      <th>postId</th>\n",
+              "      <th>Score</th>\n",
+              "      <th>ViewCount</th>\n",
+              "      <th>CommentCount</th>\n",
+              "    </tr>\n",
+              "  </thead>\n",
+              "  <tbody>\n",
+              "    <tr>\n",
+              "      <th>0</th>\n",
+              "      <td>8.0</td>\n",
+              "      <td>6764.0</td>\n",
+              "      <td>1089.0</td>\n",
+              "      <td>604.0</td>\n",
+              "      <td>25.0</td>\n",
+              "      <td>1</td>\n",
+              "      <td>23</td>\n",
+              "      <td>1278.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>1</th>\n",
+              "      <td>24.0</td>\n",
+              "      <td>344.0</td>\n",
+              "      <td>48.0</td>\n",
+              "      <td>36.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>2</td>\n",
+              "      <td>22</td>\n",
+              "      <td>8198.0</td>\n",
+              "      <td>1</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>2</th>\n",
+              "      <td>18.0</td>\n",
+              "      <td>128.0</td>\n",
+              "      <td>8.0</td>\n",
+              "      <td>16.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>3</td>\n",
+              "      <td>54</td>\n",
+              "      <td>3613.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>3</th>\n",
+              "      <td>23.0</td>\n",
+              "      <td>308.0</td>\n",
+              "      <td>52.0</td>\n",
+              "      <td>34.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>4</td>\n",
+              "      <td>13</td>\n",
+              "      <td>5224.0</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>4</th>\n",
+              "      <td>23.0</td>\n",
+              "      <td>308.0</td>\n",
+              "      <td>52.0</td>\n",
+              "      <td>34.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>5</td>\n",
+              "      <td>81</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>3</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>...</th>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "      <td>...</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>38957</th>\n",
+              "      <td>19966.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48321</td>\n",
+              "      <td>0</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>38958</th>\n",
+              "      <td>892.0</td>\n",
+              "      <td>2772.0</td>\n",
+              "      <td>207.0</td>\n",
+              "      <td>167.0</td>\n",
+              "      <td>2.0</td>\n",
+              "      <td>48322</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>2</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>38959</th>\n",
+              "      <td>2020.0</td>\n",
+              "      <td>565.0</td>\n",
+              "      <td>80.0</td>\n",
+              "      <td>81.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48323</td>\n",
+              "      <td>1</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>38960</th>\n",
+              "      <td>19914.0</td>\n",
+              "      <td>63.0</td>\n",
+              "      <td>6.0</td>\n",
+              "      <td>3.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48324</td>\n",
+              "      <td>3</td>\n",
+              "      <td>NaN</td>\n",
+              "      <td>0</td>\n",
+              "    </tr>\n",
+              "    <tr>\n",
+              "      <th>38961</th>\n",
+              "      <td>19968.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>1.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>0.0</td>\n",
+              "      <td>48325</td>\n",
+              "      <td>-1</td>\n",
+              "      <td>116.0</td>\n",
+              "      <td>4</td>\n",
+              "    </tr>\n",
+              "  </tbody>\n",
+              "</table>\n",
+              "<p>38962 rows × 9 columns</p>\n",
+              "</div>\n",
+              "    <div class=\"colab-df-buttons\">\n",
+              "\n",
+              "  <div class=\"colab-df-container\">\n",
+              "    <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-1a857a44-41cf-494c-8e56-d3b4b4caba80')\"\n",
+              "            title=\"Convert this dataframe to an interactive table.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
+              "    <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
+              "  </svg>\n",
+              "    </button>\n",
+              "\n",
+              "  <style>\n",
+              "    .colab-df-container {\n",
+              "      display:flex;\n",
+              "      gap: 12px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert {\n",
+              "      background-color: #E8F0FE;\n",
+              "      border: none;\n",
+              "      border-radius: 50%;\n",
+              "      cursor: pointer;\n",
+              "      display: none;\n",
+              "      fill: #1967D2;\n",
+              "      height: 32px;\n",
+              "      padding: 0 0 0 0;\n",
+              "      width: 32px;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-convert:hover {\n",
+              "      background-color: #E2EBFA;\n",
+              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "      fill: #174EA6;\n",
+              "    }\n",
+              "\n",
+              "    .colab-df-buttons div {\n",
+              "      margin-bottom: 4px;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert {\n",
+              "      background-color: #3B4455;\n",
+              "      fill: #D2E3FC;\n",
+              "    }\n",
+              "\n",
+              "    [theme=dark] .colab-df-convert:hover {\n",
+              "      background-color: #434B5C;\n",
+              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
+              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
+              "      fill: #FFFFFF;\n",
+              "    }\n",
+              "  </style>\n",
+              "\n",
+              "    <script>\n",
+              "      const buttonEl =\n",
+              "        document.querySelector('#df-1a857a44-41cf-494c-8e56-d3b4b4caba80 button.colab-df-convert');\n",
+              "      buttonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "\n",
+              "      async function convertToInteractive(key) {\n",
+              "        const element = document.querySelector('#df-1a857a44-41cf-494c-8e56-d3b4b4caba80');\n",
+              "        const dataTable =\n",
+              "          await google.colab.kernel.invokeFunction('convertToInteractive',\n",
+              "                                                    [key], {});\n",
+              "        if (!dataTable) return;\n",
+              "\n",
+              "        const docLinkHtml = 'Like what you see? Visit the ' +\n",
+              "          '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
+              "          + ' to learn more about interactive tables.';\n",
+              "        element.innerHTML = '';\n",
+              "        dataTable['output_type'] = 'display_data';\n",
+              "        await google.colab.output.renderOutput(dataTable, element);\n",
+              "        const docLink = document.createElement('div');\n",
+              "        docLink.innerHTML = docLinkHtml;\n",
+              "        element.appendChild(docLink);\n",
+              "      }\n",
+              "    </script>\n",
+              "  </div>\n",
+              "\n",
+              "\n",
+              "<div id=\"df-b0a2a3e6-a472-4b95-b31b-5fde348d450d\">\n",
+              "  <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-b0a2a3e6-a472-4b95-b31b-5fde348d450d')\"\n",
+              "            title=\"Suggest charts.\"\n",
+              "            style=\"display:none;\">\n",
+              "\n",
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
+              "     width=\"24px\">\n",
+              "    <g>\n",
+              "        <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
+              "    </g>\n",
+              "</svg>\n",
+              "  </button>\n",
+              "\n",
+              "<style>\n",
+              "  .colab-df-quickchart {\n",
+              "      --bg-color: #E8F0FE;\n",
+              "      --fill-color: #1967D2;\n",
+              "      --hover-bg-color: #E2EBFA;\n",
+              "      --hover-fill-color: #174EA6;\n",
+              "      --disabled-fill-color: #AAA;\n",
+              "      --disabled-bg-color: #DDD;\n",
+              "  }\n",
+              "\n",
+              "  [theme=dark] .colab-df-quickchart {\n",
+              "      --bg-color: #3B4455;\n",
+              "      --fill-color: #D2E3FC;\n",
+              "      --hover-bg-color: #434B5C;\n",
+              "      --hover-fill-color: #FFFFFF;\n",
+              "      --disabled-bg-color: #3B4455;\n",
+              "      --disabled-fill-color: #666;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart {\n",
+              "    background-color: var(--bg-color);\n",
+              "    border: none;\n",
+              "    border-radius: 50%;\n",
+              "    cursor: pointer;\n",
+              "    display: none;\n",
+              "    fill: var(--fill-color);\n",
+              "    height: 32px;\n",
+              "    padding: 0;\n",
+              "    width: 32px;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart:hover {\n",
+              "    background-color: var(--hover-bg-color);\n",
+              "    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
+              "    fill: var(--button-hover-fill-color);\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-quickchart-complete:disabled,\n",
+              "  .colab-df-quickchart-complete:disabled:hover {\n",
+              "    background-color: var(--disabled-bg-color);\n",
+              "    fill: var(--disabled-fill-color);\n",
+              "    box-shadow: none;\n",
+              "  }\n",
+              "\n",
+              "  .colab-df-spinner {\n",
+              "    border: 2px solid var(--fill-color);\n",
+              "    border-color: transparent;\n",
+              "    border-bottom-color: var(--fill-color);\n",
+              "    animation:\n",
+              "      spin 1s steps(1) infinite;\n",
+              "  }\n",
+              "\n",
+              "  @keyframes spin {\n",
+              "    0% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "      border-left-color: var(--fill-color);\n",
+              "    }\n",
+              "    20% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    30% {\n",
+              "      border-color: transparent;\n",
+              "      border-left-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    40% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-top-color: var(--fill-color);\n",
+              "    }\n",
+              "    60% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "    }\n",
+              "    80% {\n",
+              "      border-color: transparent;\n",
+              "      border-right-color: var(--fill-color);\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "    90% {\n",
+              "      border-color: transparent;\n",
+              "      border-bottom-color: var(--fill-color);\n",
+              "    }\n",
+              "  }\n",
+              "</style>\n",
+              "\n",
+              "  <script>\n",
+              "    async function quickchart(key) {\n",
+              "      const quickchartButtonEl =\n",
+              "        document.querySelector('#' + key + ' button');\n",
+              "      quickchartButtonEl.disabled = true;  // To prevent multiple clicks.\n",
+              "      quickchartButtonEl.classList.add('colab-df-spinner');\n",
+              "      try {\n",
+              "        const charts = await google.colab.kernel.invokeFunction(\n",
+              "            'suggestCharts', [key], {});\n",
+              "      } catch (error) {\n",
+              "        console.error('Error during call to suggestCharts:', error);\n",
+              "      }\n",
+              "      quickchartButtonEl.classList.remove('colab-df-spinner');\n",
+              "      quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
+              "    }\n",
+              "    (() => {\n",
+              "      let quickchartButtonEl =\n",
+              "        document.querySelector('#df-b0a2a3e6-a472-4b95-b31b-5fde348d450d button');\n",
+              "      quickchartButtonEl.style.display =\n",
+              "        google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
+              "    })();\n",
+              "  </script>\n",
+              "</div>\n",
+              "    </div>\n",
+              "  </div>\n"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 32
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "u69VJ7SPqtHc"
+      },
+      "source": [
+        "#### 10. Adjust the data types in order to avoid future issues. Which ones should be changed?"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "Merged.dtypes"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "LusSR1mF7aU3",
+        "outputId": "c5dc4eb4-4371-43eb-94b5-bb25338e1d03"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "userId          float64\n",
+              "Reputation      float64\n",
+              "Views           float64\n",
+              "UpVotes         float64\n",
+              "DownVotes       float64\n",
+              "postId            int64\n",
+              "Score             int64\n",
+              "ViewCount       float64\n",
+              "CommentCount      int64\n",
+              "dtype: object"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 34
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "Merged[[\"userId\", \"Reputation\", \"Views\", \"UpVotes\", \"DownVotes\", \"ViewCount\"]] = Merged[[\"userId\", \"Reputation\", \"Views\", \"UpVotes\", \"DownVotes\", \"ViewCount\"]].fillna(0).astype('int64')\n",
+        "Merged.dtypes"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "WIcKKVCm7wrz",
+        "outputId": "5bfeb03e-1dfc-495e-dff8-ec331a5cc5b8"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "userId          int64\n",
+              "Reputation      int64\n",
+              "Views           int64\n",
+              "UpVotes         int64\n",
+              "DownVotes       int64\n",
+              "postId          int64\n",
+              "Score           int64\n",
+              "ViewCount       int64\n",
+              "CommentCount    int64\n",
+              "dtype: object"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 40
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [],
+      "metadata": {
+        "id": "A6Q0-RKK75SQ"
+      },
+      "execution_count": null,
+      "outputs": []
+    }
+  ],
+  "metadata": {
+    "kernelspec": {
+      "display_name": "Python 3",
+      "language": "python",
+      "name": "python3"
+    },
+    "language_info": {
+      "codemirror_mode": {
+        "name": "ipython",
+        "version": 3
+      },
+      "file_extension": ".py",
+      "mimetype": "text/x-python",
+      "name": "python",
+      "nbconvert_exporter": "python",
+      "pygments_lexer": "ipython3",
+      "version": "3.6.8"
+    },
+    "colab": {
+      "provenance": [],
+      "include_colab_link": true
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 0
+}
\ No newline at end of file