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

Thanks for any suggestions. My apologies if this has been answered before and my search missed it.

Jim Milks

Degree Candidate

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