Try the CrossTable() function in the gregmisc package.
help.search("crosstabulation")
would have found it for you.
Jason Connor wrote:> I'm running 1.9.1 on Mac OS X 10.1.
>
> My simple question is whether there is a crosstabs-like command (I know
> about "xtabs" which is much like "table") that computes
not only cell
> counts but also row, column, and cell percents. Something like
> crosstabs(~x+y) in S-PLUS.
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