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? ______________________________________________ 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.
