Hi Cláudio, Try this:
require(gtools) combinations(10, 2) combinations(10, 2, repeats = TRUE) HTH, Jorge 2010/4/23 Cláudio Sá <> > Hi! > > Is there any easy/fast way to combine vectors with restrictions? > > Example: > > a=c(1,2,3), b=c(4,5,6), c=c(7,8,9) > > I want all combinations of this 3 vectors with length=2. > > Like this: > 1,4 > 1,5 > 1,6 > 1,7 > 1,8 > 1,9 > 2,4 > 2,5 > 2,6 > 2,7 > ... and so on. > > Thanks in advance. > > [[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. > [[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.