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Lab done #182

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269 changes: 243 additions & 26 deletions your-code/challenge-1.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,14 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 10,
"metadata": {},
"outputs": [],
"source": [
"# Import libraries\n",
"import pandas as pd"
"import pandas as pd\n",
"import numpy as np\n",
"import scipy.stats as st"
]
},
{
Expand All @@ -38,11 +40,154 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/html": [
"<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>#</th>\n",
" <th>Name</th>\n",
" <th>Type 1</th>\n",
" <th>Type 2</th>\n",
" <th>Total</th>\n",
" <th>HP</th>\n",
" <th>Attack</th>\n",
" <th>Defense</th>\n",
" <th>Sp. Atk</th>\n",
" <th>Sp. Def</th>\n",
" <th>Speed</th>\n",
" <th>Generation</th>\n",
" <th>Legendary</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>1</td>\n",
" <td>Bulbasaur</td>\n",
" <td>Grass</td>\n",
" <td>Poison</td>\n",
" <td>318</td>\n",
" <td>45</td>\n",
" <td>49</td>\n",
" <td>49</td>\n",
" <td>65</td>\n",
" <td>65</td>\n",
" <td>45</td>\n",
" <td>1</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>1</th>\n",
" <td>2</td>\n",
" <td>Ivysaur</td>\n",
" <td>Grass</td>\n",
" <td>Poison</td>\n",
" <td>405</td>\n",
" <td>60</td>\n",
" <td>62</td>\n",
" <td>63</td>\n",
" <td>80</td>\n",
" <td>80</td>\n",
" <td>60</td>\n",
" <td>1</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2</th>\n",
" <td>3</td>\n",
" <td>Venusaur</td>\n",
" <td>Grass</td>\n",
" <td>Poison</td>\n",
" <td>525</td>\n",
" <td>80</td>\n",
" <td>82</td>\n",
" <td>83</td>\n",
" <td>100</td>\n",
" <td>100</td>\n",
" <td>80</td>\n",
" <td>1</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>3</th>\n",
" <td>3</td>\n",
" <td>VenusaurMega Venusaur</td>\n",
" <td>Grass</td>\n",
" <td>Poison</td>\n",
" <td>625</td>\n",
" <td>80</td>\n",
" <td>100</td>\n",
" <td>123</td>\n",
" <td>122</td>\n",
" <td>120</td>\n",
" <td>80</td>\n",
" <td>1</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>4</th>\n",
" <td>4</td>\n",
" <td>Charmander</td>\n",
" <td>Fire</td>\n",
" <td>NaN</td>\n",
" <td>309</td>\n",
" <td>39</td>\n",
" <td>52</td>\n",
" <td>43</td>\n",
" <td>60</td>\n",
" <td>50</td>\n",
" <td>65</td>\n",
" <td>1</td>\n",
" <td>False</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" # Name Type 1 Type 2 Total HP Attack Defense \\\n",
"0 1 Bulbasaur Grass Poison 318 45 49 49 \n",
"1 2 Ivysaur Grass Poison 405 60 62 63 \n",
"2 3 Venusaur Grass Poison 525 80 82 83 \n",
"3 3 VenusaurMega Venusaur Grass Poison 625 80 100 123 \n",
"4 4 Charmander Fire NaN 309 39 52 43 \n",
"\n",
" Sp. Atk Sp. Def Speed Generation Legendary \n",
"0 65 65 45 1 False \n",
"1 80 80 60 1 False \n",
"2 100 100 80 1 False \n",
"3 122 120 80 1 False \n",
"4 60 50 65 1 False "
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here:\n"
"pokemon = pd.read_csv(\"Pokemon.csv\")\n",
"pokemon.head()"
]
},
{
Expand All @@ -58,7 +203,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -74,8 +219,9 @@
" dict: a dictionary of t-test scores for each feature where the feature name is the key and the p-value is the value\n",
" \"\"\"\n",
" results = {}\n",
"\n",
" # Your code here\n",
" for feature in features:\n",
" pvalue = st.ttest_ind(s1[feature], s2[feature], equal_var = False)[1]\n",
" results[feature] = pvalue\n",
" \n",
" return results"
]
Expand All @@ -101,11 +247,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 12,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"{'HP': 1.0026911708035284e-13,\n",
" 'Attack': 2.520372449236646e-16,\n",
" 'Defense': 4.8269984949193316e-11,\n",
" 'Sp. Atk': 1.5514614112239812e-21,\n",
" 'Sp. Def': 2.2949327864052826e-15,\n",
" 'Speed': 1.049016311882451e-18,\n",
" 'Total': 9.357954335957446e-47}"
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n"
"s1 = pokemon[pokemon[\"Legendary\"]==True]\n",
"s2 = pokemon[pokemon[\"Legendary\"]==False]\n",
"\n",
"t_test_features(s1,s2)"
]
},
{
Expand All @@ -121,7 +287,7 @@
"metadata": {},
"outputs": [],
"source": [
"# Your comment here"
"# We can say the two pokemons have significantly different stats on each feature."
]
},
{
Expand All @@ -133,11 +299,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 13,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"{'HP': 0.14551697834219623,\n",
" 'Attack': 0.24721958967217725,\n",
" 'Defense': 0.5677711011725426,\n",
" 'Sp. Atk': 0.12332165977104388,\n",
" 'Sp. Def': 0.18829872292645752,\n",
" 'Speed': 0.00239265937312135,\n",
" 'Total': 0.5631377907941676}"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n"
"s1 = pokemon[pokemon[\"Generation\"]==1]\n",
"s2 = pokemon[pokemon[\"Generation\"]==2]\n",
"\n",
"t_test_features(s1,s2)"
]
},
{
Expand All @@ -153,7 +339,7 @@
"metadata": {},
"outputs": [],
"source": [
"# Your comment here"
"# We can not say the two pokemons have significantly different stats on each feature."
]
},
{
Expand All @@ -165,11 +351,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 17,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"{'HP': 0.11314389855379414,\n",
" 'Attack': 0.00014932578145948305,\n",
" 'Defense': 2.7978540411514693e-08,\n",
" 'Sp. Atk': 0.00013876216585667907,\n",
" 'Sp. Def': 0.00010730610934512779,\n",
" 'Speed': 0.02421703281819093,\n",
" 'Total': 1.1157056505229961e-07}"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n"
"s1 = pokemon[pd.isnull(pokemon[\"Type 2\"])]\n",
"s2 = pokemon[pd.notnull(pokemon[\"Type 2\"])]\n",
"\n",
"t_test_features(s1,s2)"
]
},
{
Expand All @@ -185,7 +391,7 @@
"metadata": {},
"outputs": [],
"source": [
"# Your comment here"
"# Except for HP, we can say the two pokemons have significantly different stats on each feature."
]
},
{
Expand All @@ -199,11 +405,21 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 19,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"TtestResult(statistic=4.325566393330478, pvalue=1.7140303479358558e-05, df=799)\n",
"TtestResult(statistic=0.853986188453353, pvalue=0.3933685997548122, df=799)\n"
]
}
],
"source": [
"# Your code here\n"
"print(st.ttest_rel(pokemon[\"Attack\"], pokemon[\"Defense\"]))\n",
"print(st.ttest_rel(pokemon[\"Sp. Atk\"], pokemon[\"Sp. Def\"]))"
]
},
{
Expand All @@ -219,13 +435,14 @@
"metadata": {},
"outputs": [],
"source": [
"# Your comment here"
"# Attack vs Defense - we can say the two features have significantly different stats.\n",
"# Sp. Atk vs Sp. Def - we cannot say the two features have significantly different stats."
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
Expand All @@ -239,7 +456,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
"version": "3.11.3"
}
},
"nbformat": 4,
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