[R-SIG-Mac] switching between 2 versions of R in the GUI

[Prof Brian Ripley]

On 14/11/2012 20:26, Richard Friedman wrote:
> Dear R-Sig-mac,
>
> 	I have both the development version of R 2.16
> and R2.15.2 on my Mac (OS 10.7.5). I only have one
> GUI (for R2.16). I can start R windows for the 2
> versions from the command lines. I used to be able to switch with Rswitch
> but i don;t think that works any more. Is there a way I can get separate RGUIs
> for the stable and development versions?

When all else fails, read the FAQ:

'There is even a small GUI utility RSwitch available from the R for Mac 
devel page that allows you to select the desired version. In addition, 
any application embedding R (such as the R GUI) can choose to use a 
specific R version (in most cases) or any version. Note that R.app is 
compiled against a particular version of R and it may crash if RSwitch 
is used to change the version of R in use.'

If just using RSwitch (sic) worked for you for different minor versions 
of R, you were lucky.  It often has not.

You can of course do what you ask by installing (or building) separate 
R.app's (if that is what you mean by 'RGUI') compiled against different 
versions of R and running the appropriate one.  The developers do that 
to test changes to the R.app sources.


>
> Thanks and best wishes,
> Rich
> Richard A. Friedman, PhD
> Associate Research Scientist,
> Biomedical Informatics Shared Resource
> Herbert Irving Comprehensive Cancer Center (HICCC)
> Lecturer,
> Department of Biomedical Informatics (DBMI)
> Educational Coordinator,
> Center for Computational Biology and Bioinformatics (C2B2)/
> National Center for Multiscale Analysis of Genomic Networks (MAGNet)
> Room 824
> Irving Cancer Research Center
> Columbia University
> 1130 St. Nicholas Ave
> New York, NY 10032
> (212)851-4765 (voice)
> friedman at cancercenter.columbia.edu
> http://cancercenter.columbia.edu/~friedman/
>
> In memoriam, Ray Bradbury
>
>
> 	[[alternative HTML version deleted]]
>
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>


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595