Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> [Tue, Nov 02, 2010 at 09:57:04PM CET]: > Hello! > > I have 2 vectors: > > x<-letters[1:5] > y<-1:3 > > Is there a way - without loops - to create a data frame such that we > repeat the whole "y" within each level of "x" so that it looks like > this: > > a 1 > a 2 > a 3 > b 1 > b 2 > b 3 > c 1 > c 2 > c 3 > > etc?
?expand.grid -- Johannes Hüsing There is something fascinating about science. One gets such wholesale returns of conjecture mailto:johan...@huesing.name from such a trifling investment of fact. http://derwisch.wikidot.com (Mark Twain, "Life on the Mississippi") ______________________________________________ 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.