On Oct 19, 2006, at 12:54 AM, Kasper Daniel Hansen wrote:

> I recently upgraded to R-2.4.0 and it seems that something broke the
> older framework I had installed (2.3.1 - or should I just say 2.3).

When performing an install, the installer will upgrade the old  
version, thus removing all files that were in 2.3, but keeping any  
additional files you installed (e.g. packages). If you used the full  
image, please read the text that the installer shows you - it warns  
you about this and tells you what to do to avoid it:

"By default the installer upgrades previous R version if present. If  
you want to keep your old R version, remove R-Framework.pkg from / 
Library/Receipts before proceeding."

However, I just noticed that this waring in missing in the mini  
installer - which is unfortunate. Nevertheless, it is still present  
in the R-Framework package even in the mini image.


> Specifically it seems that some of the symlinks in /Library/ 
> Frameworks/R.Framwork/Versions/2.3 was missing. I then (re)installed
> 2.3.1 from the -mini.dmg file, and now I get
>

You performed a downgrade, thus you removed (non-custom) files from  
the 2.4 installation and went back to 2.3. Again, removing the  
receipt is what you want to do if you want to keep both versions in  
parallel.

Cheers,
Simon




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