Dear R experts---
Has anyone written parallel versions of "by" (i.e., mcby) and "ave"
(i.e. mcave) ? I did ask a question like this a year ago, and then
the answer was no.
for those who are googling the group for the answer to this question,
in the meantime, the poor man's version of "by" is mclapply( split(
ds, factor ), FUN )
I don't know the poor man's version of "ave".
sincerely, /iaw
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Ivo Welch (ivo.welch at gmail.com)
http://www.ivo-welch.info/