[R] retrieve version information for a package?

[Gabor Grothendieck]

Try:

packageDescription("affy")$Version

On 10/22/07, Yupu Liang <liang at cbio.mskcc.org> wrote:
> Hi,
>
> I am looking for a way to find out the version information of
> installed R packages.
> ex:
>
>  >library(affy)
>  >SOME_COMMAND_FOR_VERSION(affy)
>
> I know I can do either getRversion() or R.Version() could give me the
> version of R. I assume there must be a way for me to get version
> information for the add-on paclages,right?
>
> Thanks!
>
> Yupu
>
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