Please consider the following : > expand.grid(rep(list(c(1:3)), 3)) Var1 Var2 Var3 1 1 1 1 2 2 1 1 3 3 1 1 4 1 2 1 5 2 2 1 6 3 2 1 7 1 3 1 8 2 3 1 9 3 3 1 10 1 1 2 11 2 1 2 12 3 1 2 13 1 2 2 14 2 2 2 15 3 2 2 16 1 3 2 17 2 3 2 18 3 3 2 19 1 1 3 20 2 1 3 21 3 1 3 22 1 2 3 23 2 2 3 24 3 2 3 25 1 3 3 26 2 3 3 27 3 3 3
Now I want to remove the rows which has any repetition of number. For example I want to remove row 1-5 but not 6 and so on........ Is there any easy way to do that? Thanks, -- View this message in context: http://old.nabble.com/All-combination-tp26333348p26333348.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
