Checking For Normality Using R

This video teach you how to check for normality using R. Very simple and useful.

http://www.youtube.com/watch?v=i6-uOUi4gcA

How to install R in Ubuntu

The follow page give you step-by-step how to install the R in Ubuntu.

http://cran.es.r-project.org/ or you can choose the R mirror of this page: http://cran.r-project.org/mirrors.html

Click in "Download R for Linux" link  then click in "Ubuntu" link.

If you obtain the GPG error this page can help you to solve this problem:

http://blogs.helsinki.fi/bioinformatics-viikki/documentation/getting-started-with-r-programming/installingrlatest/