This last solution is what I was looking for, I was trying to avoid loops. Thanks!
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Rainer Schuermann Sent: 5. oktober 2011 18:29 To: [email protected] Subject: Re: [R] Populate a matrix m <- matrix( rep( y, length( x ) ), length( y ), length( x ) ) On Wednesday 05 October 2011 18:11:18 [email protected] 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 > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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. ______________________________________________ [email protected] 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.
