What exactly is the question? Selecting/permuting rows? M[sample(length=nrow(M), count), ]
Selecting/permuting columns? M[ , sample(length=ncol(M), count) ] Permuting elements? structure(sample(M), dim=dim(M)) Selecting elements? sample(M, count) Gabor On Thu, Jan 31, 2008 at 09:10:11PM +0800, Ng Stanley wrote: > Hi, > > sample(x) only permutates and/or samples from a vector, which I can't use > for a matrix. Please help. > > Thanks > Stanley > > [[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. -- Csardi Gabor <[EMAIL PROTECTED]> UNIL DGM ______________________________________________ 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.