'split' works on vectors , too. -- David.
Sent from my iPhone On Dec 24, 2012, at 10:25 AM, ivo welch <ivo.we...@gmail.com> wrote: > 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 > ---- > Ivo Welch (ivo.we...@gmail.com) > http://www.ivo-welch.info/ > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
