Dear Jorge Thanks a lot.
----- Original Message ---- From: Jorge Ivan Velez <[EMAIL PROTECTED]> To: Muhammad Azam <[EMAIL PROTECTED]> Cc: R mailing list <r-help@r-project.org> Sent: Tuesday, October 14, 2008 1:52:15 PM Subject: Re: [R] request: How to ignore columns having zero sums Dear Muhammad, Try also x <- c(1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,0,0,0,0,0,0,0,0); x1 <- array(x, dim=c(4,6)) x1[,apply(x1,2,function(x) !all(x==0))] HTH, Jorge On Tue, Oct 14, 2008 at 4:02 AM, Muhammad Azam <[EMAIL PROTECTED]> wrote: Dear friends I have an array consist of r-rows and c-columns e.g. x=c(1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,0,0,0,0,0,0,0,0); x1=array(x, dim=c(4,6)) output is > x1 [,1] [,2] [,3] [,4] [,5] [,6] [1,] 1 2 3 4 0 0 [2,] 1 2 3 4 0 0 [3,] 1 2 3 4 0 0 [4,] 1 2 3 4 0 0 How can i ignore columns having zero sums? Help in this regard is needed. Thanks M.Azam [[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. [[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.