If I understand: unique(t(apply(rbind(x, y), 1, sort)))
On Fri, Apr 16, 2010 at 11:05 AM, Michael Nestrud <m...@ataraxis.org> wrote: > Hello all, > > I have searched the archives for a similar problem to no avail. I > could use your help. > > I have a bunch of vectors organized into two matrices, x and y. These > vectors (as rows) consist of combinations of elements such that order > does not matter. > > I want to create a third matrix from the first two, which is basically > all the rows in x and all the rows in y, excluding the rows that they > both have in common. > > %in% seems to match individual elements, not entire rows, so something > else is needed. > > Any help is appreciated. > > Thanks, > > -Michael > > -- > Michael A. Nestrud > Cornell U. Sensory Science PhD Candidate > m...@ataraxis.org > "All that you taste... all that you eat." > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
