?aggregate ?tapply data.table package example data and output would have been useful
Sent from my iPad On Feb 6, 2011, at 15:02, Ning Cheng <wakinchaue...@gmail.com> wrote: > I've got a fund performance report for the last year,in which one > column states their management style,i.e. long/short,market neutral. I > want to categorize all the fund into subgroups by their management > style.How can I do that? > > ______________________________________________ > 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.
