A variety of tutorials, learning modules, recommended resources, and FAQs to help you learn R.

Manuals from the R Project.

Series of tutorials for developers in R by Google Developers.

The R Journal is the open access, refereed journal of the R project for statistical computing. It features short to medium length articles covering topics that might be of interest to users or developers of R.

R news and tutorials contributed by R bloggers

You can enroll or audit them for free.

A variety of courses are offered. Prices vary.