[R-SIG-Mac] install two versions of R on a Mac

[Steve Lianoglou]

On Thu, Aug 5, 2010 at 8:38 AM, Mike Lawrence <Mike.Lawrence at dal.ca> wrote:
> Do you mean you want two different versions of R on the same machine
> (eg. R-2.11.1 & R-2.10.1)? Or do you mean you simply want to run
> multiple sessions of the same version at once? If the latter, you
> simply install one version and open multiple terminal sessions.

And if you (Irina) are after the former, the only way I know how to
run two different versions of R *simultaneously* is to have one
installed by source (ie. not via the R.pkg which installs into
/Library/Frameworks/R.framework) due to the requirement of a valid
"Versions/Current" symlink in that R.framework directory.

-steve

>
> On Thu, Jul 29, 2010 at 2:47 PM, Irina Foss <Irina.Foss at thurso.uhi.ac.uk> wrote:
>> Hello,
>>
>> I am trying to install two versions of R on a Mac OS laptop to run almost at the same time. I tried to use pkgutil--forget in the terminal but it did not seem to make any changes.
>>
>> Thank you,
>>
>> Irina
>>
>>
>>        [[alternative HTML version deleted]]
>>
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>
>
>
> --
> Mike Lawrence
> Graduate Student
> Department of Psychology
> Dalhousie University
>
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>
> ~ Certainty is folly... I think. ~
>
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-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact