Suppose your previous R version is 2.15. Do the following at the terminal:

cp -r /Library/Frameworks/R.framework/Versions/2.12/Resources/library/* /Library/Frameworks/R.framework/Versions/3.0/Resources/library/

And then update them in R:
update.packages(checkBuilt=TRUE, ask=FALSE)

HTH,
Gang

On Apr 9, 2013, at 12:28 PM, Petar Milin wrote:

> Hello!
> I am new to Mac and I wonder is there a way to migrate all existing packages to the latest R 3.0? I did that for my colleague who uses MS Win, and that never was as issue in Linux. So, what are our options under Mac OS X?
> 
> Many thanks,
> PM
> _______________________________________________
> R-SIG-Mac mailing list
> R-SIG-Mac@r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-mac


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