Introduction to data analysis

Fall 2012. Rice University.

Hadley Wickham. hadley@rice.edu
4-5:15pm Tuesday & Thursday. Duncan College 113.

TAs:
Yeshaya Adler yaa1@rice.edu
Barrett Schloerke bigbear@rice.edu
Homework help session: Tuesday 5:30-6:30, DH 1075

Class notes

Nov 27. Advanced topics
- course feedback
Nov 20. First class functions
Nov 15. Posters
Nov 13. Multivariate models
- helpers.r
- rec.rds
Nov 8. Modelling basics
- helpers.r
- diamonds2.rds
Nov 6. Advanced layering
- ggmap overview
- minard-cities.txt
- minard-troops.txt
Oct 30. Grammar of graphics
- tx-pop.csv
- tx-borders.csv
Oct 30. Effective visualisations
- American time use survey
- State of the union
- facebook IPO
Oct 25. Tables
- movies2.csv.bz2
Oct 23. Tidy data
- billboard-encoding.r
- billboard.csv
- pew.txt
- tb.csv
- weather.txt
Oct 18. Dates and times
- email.csv
Oct 16. Data structures
Oct 9. Project 2
- project 2 data (zip file)
Oct 4. Regular expressions
- test regexps
- text description of regexp
- tool to build regexps
- regexp reference
Oct 2. Introduction to strings
- team action
- email.rds
Sep 27. Group wise processing
Sep 25. Advanced data manipulation
- bnames2.csv.bz2
- births.csv
Sep 20. Simulation
- payoff-v.r
Sep 18. Functions
Sep 13. Problem solving
- Common homework errors
Sep 11. More about data
- tricky-1.csv
- tricky-2.csv
- tricky-3.csv
- tricky-4.csv
- slots.csv
- slots.txt
Sep 6. Statistical reports
- Latex setup
- Latex cheat sheet
- sample report
- twotorial: 016 how to add comments, save a script file, and make your work reproducible
Sep 4. Working directories, shortcuts and iteration.
Aug 30. Subsetting
- twotorial: 004 how to create a variable
- twotorial: 019 how to access different records within a data frame by using logical tests
- twotorial: 047 how many different ways can you slice and dice (subset) a data table?
Aug 28. Scatterplots for big data, subsetting.
Aug 23. Distributions.
Aug 21. Introduction R & ggplot2.
- twotorial: 009 how to use a function and read the help files