Hi once again. just to let you know that i found the answer i need: http://www.mail-archive.com/r-help@r-project.org/msg65359.html
Thank you once more. Cláudio 2010/4/24 Cláudio Sá <c0870...@alunos.fc.up.pt> > Thank you for the quick answer, but i was asking if some method could do > combinations where numbers of the same vector wont combine. > A little bit like 'expand.grid', but with the possibility to choose the > length for output combinations. > > Cláudio > > 2010/4/23 Jorge Ivan Velez <jorgeivanve...@gmail.com> > > 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.
