[Rd] maintaining multiple R versions

[Aaron A. King]

Have you looked at Environment Modules (http://modules.sourceforge.net/)?  I use it to maintain multiple versions of R.  Users can choose their default and switch among them at the command line.

Aaron

On Fri, Jan 18, 2013 at 02:04:13PM -0500, Paul Gilbert wrote:
> (somewhat related to thread [Rd] R CMD check not reading R_LIBS )
> 
> For many years I have maintained R versions by building R
> (./configure ; make)  in a directory indicating the version number,
> putting the directory/bin on my path, and setting R_LIBS_SITE.
> 
> It seems only one version can easily be installing in /usr/bin, and
> in any case that requires root, so I do not do that. There may be an
> advantage to installing somewhere in a directory with the version
> number, but that does not remove the need to set my path. (If there
> is an advantage to installing I would appreciate someone explaining
> briefly what it is.)
> 
> My main question is whether there is a better ways to maintaining
> multiple versions, in some way that lets users choose which one they
> are using?
> 
> (The only problem I am aware of with my current way of doing this is:
> if the system has some R in /usr/bin then I have to set my preferred
> version first, which means shell commands like "man" find R's pager
> first, and do not work.)
> 
> Thanks,
> Paul
> 
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-- 
Aaron A. King, Ph.D.
Ecology & Evolutionary Biology
Mathematics
Center for the Study of Complex Systems
University of Michigan
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