R tutorials, manuals, examples and help

This will become a little collection of links to R tutorials and manuals which I found to be useful.

Manuals and Tutorials
PDF

* Statistics with R by Vincent Zoonekynd ~ 21.5 MB
* Using R for Data Analysis and Graphics Introduction, Code and Commentary by J H Maindonald ~ 1.4 MB
* simpleR – Using R for Introductory Statistics by
John Verzani ~ 2.1 MB

Help and Examples
HTML

* Rpad
* Creating Graphs with R