Did you mean: > x<-matrix(runif(16),4,4,dimnames=list(sample(letters[1:4]),NULL)) > x [,1] [,2] [,3] [,4] a 0.5132191 0.09121766 0.9470733 0.6311042 d 0.3621340 0.43193846 0.8536142 0.9286477 c 0.8597558 0.48168800 0.2845544 0.4108180 b 0.4767520 0.72526768 0.2105142 0.6678300 > x[order(rownames(x)),] [,1] [,2] [,3] [,4] a 0.5132191 0.09121766 0.9470733 0.6311042 b 0.4767520 0.72526768 0.2105142 0.6678300 c 0.8597558 0.48168800 0.2845544 0.4108180 d 0.3621340 0.43193846 0.8536142 0.9286477
> hi members, > > i tried to sort my whole matrix X for its rownames. the rownames are > unsorted id numbers: > > i tried it with sort(rownames(X)) or order(rownames(X)) but then i get > only a vector of the rownames:(... > > any suggestions? > > thanks > paul > > ______________________________________________ > 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.