R
- The R Project (software and manuals)
- John M Quick’s R Tutorial Series
- Computing for Data Analysis at Coursera.
- the R-Podcast
- Cookbook for R
- Quick R
Perl and R
- Machine Learning for Hackers (O’Reilly) (££)
- L Francis: Text Mining Handbook – Casualty Actuarial Society
ggplot2 (for pretty charts)
- Hadley Wickham’s ggplot2
General
- Tony Hirst’s Ouseful.info