Chapter 9: Data Frames

Exercises for chapter 9.

1. Create a data frame of Seahawks latest results, compute columns
2. Create and manipulate random data in data frames, answer questions about data
3. Transform matrix into data frame, find the max values in data frame
4. input real data, explore, answer questions
5. girls' names, subsetting, functions to manipulate data frames
6. Huskies' games 2016, manipulate, extract, filter, create new columns