On Sep 8, 2014, at 2:01 PM, David Winsemius wrote: > > On Sep 8, 2014, at 12:08 PM, eliza botto wrote: > >> >> > > This is typical use for base function aggregate: > >> with( dfrm, aggregate(dfrm[4:7], dfrm[1:2], FUN=sum)) > year month A B C D > 1 1961 1 78 102 138 258 > >> >> [[alternative HTML version deleted]] > > Please stop posting in plain text. (You have already been asked multiple > times.)
I have now been asked by three readers if I really meant this. No, I did not I mean that... Eliza, stop posting in HTML and start posting in plain text. -- David Winsemius Alameda, CA, USA ______________________________________________ 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.