3-02-2012, 11:26 (+0000); Schumacher, G. escriu: > I have a matrix of 17 rows and 20 columns. I want to replicate this > matrix 20 times, but I only want to replicate the rows. How do I do > that?
If x is your matrix, this x[rep(1:17, 20),] will give you a matrix with 340 rows and 20 columns which I think is what you want. Cheers, Ernest ______________________________________________ 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.