On 28/08/2008, at 2:02 PM, James Milks wrote:
The title says it all. Does anyone know of a way to save your
packages when you upgrade to a new version of R? This may seem
petty, but I'm accumulating enough packages that having to download
and install each of them anew every time I install a new version of
R is rather of a pain. Ideally, I would like the new version of R
to recognize the packages I've installed on the previous version
without needing to reinstall the packages. Is that possible?
My system: Mac OS 10.5.4.
Current R version: 2.7.1
Mac OS moves in mysterious ways, but apparently your installation
moves in more mysterious
ways than most.
I also (by necessity, not by choice) run Mac OS. But I certainly
don't lose my
packages when I update R. The new version of R certainly
``recognizes'' the packages
that I have installed. No action required.
There may be something funny about *where* you have your packages
installed, and
what environment variables you have set.
To answer your question ``Is that possible?'' --- Yes. Not just
possible,
but universal. Except, it would seem, in your case. What have you done
to offend the gods? :-)
cheers,
Rolf Turner
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