[R] upgraging R from 2.9.0 to 2.9.1

[Marc Schwartz]

On Aug 23, 2009, at 11:28 AM, mauede at alice.it wrote:

> I am still running 2.9.0 and came across a package that was built  
> with 2.9.1. I got a warning upon loading the package.
> I tried to launch a function from such a package. It seems to hang  
> up. I can't believe it takes forever.
> I am resolved to upgrade my R version to the newest one. But on a  
> Windows box I do not know how to unistall the current version
> in advance of installing the new one.
> On a Linux system I iinstaledl the new version without removing the  
> previous one first and ended up with a messy situation.
> Can you please help ?
> Thank you in advance.
> Maura



See questions 2.7 and 2.8 in the R Windows FAQ:

http://cran.r-project.org/bin/windows/base/rw-FAQ.html#How-do-I-UNinstall-R_003f

http://cran.r-project.org/bin/windows/base/rw-FAQ.html#What_0027s-the-best-way-to-upgrade_003f

HTH,

Marc Schwartz