On Mon, 16 Nov 2009 10:43:38 -0500 Andrew Miles <rstuff.mi...@gmail.com>
wrote:
> Thanks! Using the plyr package and the approach you outlined seems to
> work well for relatively simple functions (like wtd.mean), but so far
> I haven't had much success in using it with more complex descriptive
> functions like describe {Hmisc}.
'describe' outputs a list, not just a vector. To get the actual values
as vectors, you have to extract them, e.g.:
describe(x)$counts
describe(x)$values
--
Karl Ove Hufthammer
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