THX, it's working now.
On Wed, May 12, 2010 at 13:54, jim holtman <jholt...@gmail.com> wrote: > Have you tried: > > combined[,19] <- paste(combined[,19], combined[,20], sep=' ') > > On Wed, May 12, 2010 at 4:40 AM, Assa Yeroslaviz <fry...@gmail.com> wrote: > >> Hello, >> >> I'm trying to paste two columns of a matrix >> GB_ACC GENE GENE_SYMBOL >> NM_010657 NM_010657 >> NM_027162 NM_027162 >> NM_198863 NM_198863 >> NM_010727 NM_010727 >> >> These two column are a part of a 41,000 x 26 matrix. >> >> I wanted these two column to be pasted into one (the firstone, GB_ACC). I >> tried to do it with a for loop, but it takes ages to finish: >> for( i in 1:length(combined[,15])){ >> combined[i,19]<- paste(combined[i,19], combined[i,20], sep = " ") >> } >> >> Does anyone has a better idea? >> I tried to do it with the apply function, but I'm getting an error message >> that paste(...) is not a function. >> >> THX >> >> Assa >> >> [[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<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > [[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.