Adrian Dusa wrote: > On Thursday 15 November 2007, [EMAIL PROTECTED] wrote: > >> Actually, (now that I know about combn), a better way is >> >> t(matrix(set[combn(7,2)], nrow = 2)) >> > > Indeed, or to avoid transposing: > > matrix(set[combn(7,2)], ncol = 2, byrow=T) > > Adrian > > Or even (from someone who have known about combn for a while)
> combn(LETTERS[1:7], 2, paste, collapse="") [1] "AB" "AC" "AD" "AE" "AF" "AG" "BC" "BD" "BE" "BF" "BG" "CD" "CE" "CF" "CG" [16] "DE" "DF" "DG" "EF" "EG" "FG" -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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.
