merge with Homework

HOmework/1 Command Line/CommandLineHw.txt

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+## command line exercises
+## Ctrl C to escape a loop
+
+## Using chipotle.tsv in the data subdirectory:
+## Look at the head and the tail, and think for a minute about how the 
+head ../../data/chipotle.tsv
+tail ../../data/chipotle.tsv
+
+## data is structured. What do you think each column means? What do you ## think each row means? Tell me! (If you're unsure, look at more of 
+## the file contents.)
+## Each line is an order, the name of the item, the price, and the ingredients
+
+# How many orders do there appear to be?
+wc -l ../../data/chipotle.tsv
+
+# How many lines are in the file?
+# 4623 
+# Which burrito is more popular, steak or chicken?
+grep -i "chicken" ../../data/chipotle.tsv > countchicken.csv
+grep -i "steak" ../../data/chipotle.tsv > countsteak.csv
+# chicken by doing word count
+wc -l countchicken.csv
+wc -l countsteak.csv
+# chicken is more popular
+
+# Do chicken burritos more often have black beans or pinto beans?
+grep -i "black beans" countchicken.csv > countblack.csv
+grep -i "pinto beans" countchicken.csv > countpinto.csv
+
+wc -l countblack.csv
+wc -l countpinto.csv
+
+# Make a list of all of the CSV or TSV files in the DAT7 repo (using a #single command). Think about how wildcard characters can help you with # this task.
+ls ../../*/*.?sv
+
+#Count the number of occurrences of the word 'dictionary' (regardless of case) across all files in the DAT7 repo.
+grep -r "dictionary" ./../*/
+
+Optional: Use the the command line to discover something "interesting" about the Chipotle data. The advanced commands below may be helpful to you!

HOmework/1 Command Line/Ideas for Data Science Homework

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+## Ideas for Data Science Homework
+1. Analyze the student body at Endgames
++ how often do they take classes?
++ how many classes do they take?
++ what percentage go on to the next level?
++ time between taking classes?
+
+2. AirBnB data set on Kaggle
+
+3. Walmart data on Kaggle
+
+
+PROCESS
+git status
+git add <filename>
+git commit -m "commit message"
+git push -u origin master 
+## pointer to URL: origin is the URL
+## master is the Branch name
+