Learn R Quickly !

If you currently use another statistical package, why learn R?

1. It's free! If you are a teacher or a student, the benefits are obvious.
2. It runs on a variety of platforms including Windows, Unix and MacOS.
3. It provides an unparalleled platform for programming new statistical methods in an easy and straightforward manner.
4. It contains advanced statistical routines not yet available in other packages.
5. It has state-of-the-art graphics capabilities.

http://www.statmethods.net/

不錯的R學習網站 書也不錯 很實用