thank you very much. worked great for me. On Mon, Apr 25, 2011 at 8:22 PM, Peter Ehlers <ehl...@ucalgary.ca> wrote: > On 2011-04-25 10:58, ivan wrote: >> >> Dear Community, >> >> I have a matrix with assigned colnames and rolnames as follows: >> >> A B >> NR 0.15 0,05 >> AL 0,05 0,05 >> . . . >> . . . >> . . . >> >> I want to extract the names of the rows for which A>0,1 and B<0,1. In >> the above example this would be observation NR only. Hence the output >> should write for instance: >> >> names: >> NR >> >> Is this possible? Thank you very much for your help. > > Call the matrix m. Then > > rownames(m[ m[, "A"] > 0.1 & m[, "B"] < 0.1, , drop=FALSE ]) > > should do what you want. > > Peter Ehlers >
______________________________________________ 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.
