[R] Upgrading (was: help about R)

[Jason Turner]

> Dear Sir/Madam
> Hello
>
> I'm Ph.D student of psychometric at the university of
> Tehran.I use R version 1.8.1. I want to upgrade the R
> into higher version.I downloaded the latest version
> "R-1.9.0.tgz". Unfortunately I could not to upgrade
> the R. Could you tell me how I can to upgrade the
> R,please?

Depends what type of comptuer/operating system you're on.

Check here for full instructions:

http://cran.r-project.org/doc/manuals/R-admin.pdf

Cheers

Jason