Thank you very much, Jim! Have a good evening! Allen
On Sat, Jun 14, 2008 at 7:35 PM, jim holtman <[EMAIL PROTECTED]> wrote: > newdata1 <- data1[, seq(from=2, to=ncol(data1), by=7)] > > On Sat, Jun 14, 2008 at 7:27 PM, ss <[EMAIL PROTECTED]> wrote: > > Hello! I have a matrix: > > > >> dim(data1) > > [1] 34176 581 > > > > of 34176 rows and 581 columns, > > > > I want to make a new matrix data2 by taking the 2nd column, 9th column, > 16th > > column.... > > > > the column number is in the order of: > > > > 2 > > 9 (2+7) > > 16 (9+7) > > 23 (16+7) > > ... > > > > the new matrix data2 should include 83 columns, is there an easy way to > > do that using cbind() function? > > > > Thanks a lot! > > > > Allen > > > > [[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. > > > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem you are trying to solve? > [[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.