outer(outer(x, y, paste), z, paste) Michael
On Tue, Dec 6, 2011 at 7:53 AM, Gaj Stan (BIGCAT) <stan....@maastrichtuniversity.nl> wrote: > Hello fellow R-users, > > Given are three vectors and the outcome would be all possible combinations in > combination with the paste() function. > For example: > > x <- c(1:3) > y <- letters[1:3] > z <- LETTERS[1:3] > > My result would thus be 18 names based on all possible combinations between > these vectors: > "1 a A" "1 a B", "1 a C", "1 b A", "1 b B", "1 b C", "1 c A", "1 c B", "1 c > C", etc. > > To solve the issue above I would use: > > paste(rep(x, each=9), rep(y, each=6), z) > > This is a very straightforward example, but when I have vectors of different > sizes, it will be much more difficult (for me) to create this. Is there an > easier way to do this? > > Many thanks in advance, > > -- Stan > > [[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. ______________________________________________ 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.
