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R resources on the Web

Here are our suggestions for the best on-line resources for information about R.

The R Project homepage. Look here for official news from the R Project, plus links to documentation, mailing lists, the official R FAQs, and more.

StackOverflow. Got a question about R? Search for questions tagged with "r" and you'll probably find your question already answered. If not, ask away.

R bloggers. For a steady stream of news, tips and articles related to R follow this blog aggregator for posts from dozens of R bloggers, including the team from Revolution Analytics.

The Video Rchive. Watch recordings of speakers at R user group meetings and conferences talk about various aspects of using R.

#rstats on Twitter. To listen in on (or contribute to) an information-rich conversation about R 140 characters at a time, search for the #rstats hastag.

CRAN Task Views. The list of 2000+ add-on packages for R can be daunting, but these Task Views list the most important ones in domain-specific areas as diverse as Finance, Clinical Trials, and Machine Learning. On the other hand, if you're looking for a specific page, you can search by keyword at this interactive directory of all R packages. You can also log in and rate and comment on packages.

Books about R. If you're looking for some offline reading, the R Project has an extensive list of R books, as does the R Programming Language tag on

See also: What is R?