[R-SIG-Mac] R GUI with different version of R

[William Northcott]

On 16/02/2010, at 12:59 AM, Simon Urbanek wrote:
> No -- see FAQ 12.15:
> 
> "The advanatage of this setup is that it is possible to install multiple R versions in parallel and they all will be fully functional as long as the Current symbolic link points to the currently used version."
> 
> Note the last part of the sentence.

The meaning of this was not clear to me.  Indeed they will not be fully functional: only one will work with R GUI.

>> Is it possible to use a current R gui with older frameworks?
>> 
> 
> No, the GUI embeds R so a given binary works only with a very specific version of R. You can *compile* the GUI for any R version but the binary will be tied to a specific R version.

That is very clear and perhaps it should be in the FAQ.

Thanks
Bill