I mean On Thu, Jan 31, 2008 at 02:32:20PM +0100, Gabor Csardi wrote: > What exactly is the question? Selecting/permuting rows? > > M[sample(length=nrow(M), count), ]
M[sample(seq(length=nrow(M)), count), ] > Selecting/permuting columns? > > M[ , sample(length=ncol(M), count) ] M[ , sample(seq(length=ncol(M)), count) ] G. > 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. -- 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.
