
Hi,

Yes you can do it, read the R FAQ on the cran website.

I quote it :


"That's a matter of taste.  For most people the best thing to do is to
uninstall R (see the previous Q), install the new version, copy any
installed packages to the library folder in the new installation, run
update.packages(checkBuilt=TRUE, ask=FALSE) in the new R and then
delete anything left of the old installation.  Different versions of R
are quite deliberately installed in parallel folders so you can keep old
versions around if you wish.


For those with a personal library (folder R\win-library\x.y
of your home directory), you will need to update that too when the minor
version of R changes (e.g. from 2.6.2 to 2.7.0).  A simple way
to do so is to copy (say) R\win-library\2.6 to
R\win-library\2.7 before running
update.packages(checkBuilt=TRUE, ask=FALSE)."
You can install the new version, copy your package from the old R version library to the new, and after uninstall the old version.
I hope it will help you,

Best regards

Arnaud


On Sat, May 9, 2009 at 4:33 PM, Sarmah, Chintanu Kumar
<Chintanu.Sarmah2 at lincolnuni.ac.nz> wrote:
> Hi,
> Wonder if there is a way to upgrade R.
> I’m currently using R 2.7.2, and wish to ‘upgrade’ to the latest one via some process that doesn’t make me reinstall all the packages again !! Please let me know.
> Thank you !
> Chintanu
>
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-- 
Robert Gentleman, PhD
Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
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PO Box 19024
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206-667-7700
rgentlem at fhcrc.org






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n ligne... si nouveaux qu'ils ne sont pas encore sortis officiellement sur le marché !

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