Dan's R Cheat Sheet: a 2page summary of the functions I use the most. Reference WebsitesQuickR: an excellent searchable reference guideCookbook for R: cookbookstyle howto wiki, particularly useful for experimental psychology Penn R study group: detailed reference in the form of tutorial notes ggplot2: documentation website for our main graphics tool
A great ggplot2 workshop
A chart chooser: simple examples of many different kinds of ggplot graphs
A nice guide to themes
Matlab/R Reference guide: A handy reference for both R and Matlab (our other main analytical tool) R style guides: Hadley Wickham's Style Guide Google's R Style Guide
Learning R
CommunityRlangPsychR R Bloggers: A blog aggregator pulling together posts from over 140 bloggers who write about R in English StackOverflow  R: A great community Q & A site. If you have a problem, they can usually help you. BooksR in a Nutshell by Joseph AdlerR for SAS and SPSS Users by Robert Muenchen Analyzing Linguistic Data by Harald Baayen ggplot2: part of the Use R! series of focused guide books Books that teach statistics and R together: Learning Statistics with R by Daniel Navarro (ebook is free!) Discovering Statistics Using R by Andy Field, Jeremy Miles, & Zoe Field
