add a new, and very excellent, R book
@ -651,6 +651,7 @@
* [The R Manuals](http://cran.r-project.org/manuals.html)
* [The R Language](http://stat.ethz.ch/R-manual/R-patched/doc/html/)
* [R by example](http://www.mayin.org/ajayshah/KB/R/index.html)
* [Advanced R Programming](http://adv-r.had.co.nz/)
###Racket