How to install R onto CentOS Linux

Update: To install RStudio as well:

http://datamgmt.com/installing-r-and-rstudio-on-redhat-or-centos-linux/

http://stackoverflow.com/questions/9468164/problems-installing-r-on-linux-centos-6-2

rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-7.noarch.rpm

yum install R