Hi Julian, Thanks for the help!
Best, Allen On Nov 9, 2007 11:08 PM, Julian Burgos <[EMAIL PROTECTED]> wrote: > There are many ways. For example, you can do something like > > A[seq(1,dim(A)[2],2)] > > Julian > > Julian M. Burgos > > Fisheries Acoustics Research Lab > School of Aquatic and Fishery Science > University of Washington > > 1122 NE Boat Street > Seattle, WA 98105 > > Phone: 206-221-6864 > > > > > affy snp wrote: > > Dear List, > > > > Hi! I am wondering what is the simplest way to subset a portion of columns > > from a matrix. > > > > For example, there is a matrix A (238,304*243). What is the simplest > > way to get a sub-matrix B which comprises of column 1, 3, 5, 7,9,...(odd > > column > > number) from matrix A? > > > > Thank you very much for your help! > > > > Best, > > Allen > > > > ______________________________________________ > > 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. > > > > > > ______________________________________________ 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.