use the '-' feature. >mat <- matrix(rnorm(100), nrow = 10)
#snip the second row >mat[-2,] #snip the third column >mat[,-3] #snip rows 5 and 7 >mat[-c(5,7),] cheers tc On 10/23/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Hi everyone, > > suppose I have a 2D matrix, is there a command to snip out a specific > row/column and then remerge the remaining columns/rows back into a > contiguous matrix? I will need to repeat this operation quite a > bit(reverse selection). > > Thanks for any insights you can offer. > > Yifei > > ______________________________________________ > 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. > -- Tim Calkins 0406 753 997 ______________________________________________ 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.
