G'day Stanley, On Wed, 13 Feb 2008 10:40:09 +0800 "Ng Stanley" <[EMAIL PROTECTED]> wrote:
> Hi, > > Given test <- matrix(c(0,2,0,1,3,5), 3,2) > > > test[test>0] > [1] 2 1 3 5 > > These are values >0 > > > which(test>0) > [1] 2 4 5 6 > > These are array indices of those values >0 > > > which(apply(test>0, 1, all)) > [1] 2 > > This gives the row whose elements are all >0 > > I can't seem to get indices of rows containing one or more elements >0 which(apply(test>0, 1 any)) instead of which(apply(test>0, 1, all)) ?? HTH. Cheers, Berwin =========================== Full address ============================= Berwin A Turlach Tel.: +65 6516 4416 (secr) Dept of Statistics and Applied Probability +65 6516 6650 (self) Faculty of Science FAX : +65 6872 3919 National University of Singapore 6 Science Drive 2, Blk S16, Level 7 e-mail: [EMAIL PROTECTED] Singapore 117546 http://www.stat.nus.edu.sg/~statba ______________________________________________ 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.