matrix(rep(y, each=length(x)), nrow=length(y), byrow=TRUE) or less explicitly matrix(y, nrow=length(y),ncol=length(x)) Michael
On Wed, Oct 5, 2011 at 12:11 PM, <fernando.cabr...@nordea.com> wrote: > Hi guys > > I have vectors x <- c(1,2,3,4) and y <- c(4,3,9) and would like to generate a > matrix which has 3 rows (length(y)) and 4 columns (length(x)), and each row > is the corresponding y element repeated length(x) times. > > 4,4,4,4 > 3,3,3,3 > 9,9,9,9 > > Thanks. > > Fernando Álvarez > > ______________________________________________ > 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.
