Sorry for the noise, it should have been colSums(d) instead of what I wrote. My apologies.
HTH, Jorge.- On Thu, Dec 22, 2011 at 10:43 PM, Jorge I Velez <> wrote: > Dear Frederico, > > Try > > d[, rowSums(d) != 0] > > where "d" is your data.frame(). > > HTH, > Jorge.- > > On Thu, Dec 22, 2011 at 4:54 PM, Frederico Mestre <> wrote: > >> Hello all: >> >> >> >> I'm sure this is quite simple, but I tried several options and I still >> can't >> get I right. >> >> >> >> I've got a data.frame and I want to delete all columns of which the sum is >> zero. >> >> >> >> Any ideas? Thanks, >> >> >> >> Frederico Mestre >> >> >> >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> > > [[alternative HTML version deleted]] ______________________________________________ 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.
