I have solved my problem using: > x<-1:4 > x [1] 1 2 3 4 > combn(x,2) [,1] [,2] [,3] [,4] [,5] [,6] [1,] 1 1 1 2 2 3 [2,] 2 3 4 3 4 4
Thanks Emma emj83 wrote: > > Hi, > > I have two lists of numbers which are both 1,2,3,4. > I would like to combine pairs so that I have: > 1,2 > 1,3 > 1,4 > 2,3 > 2,4 > 3,4. > > I know that expand.grid() can give me all combinations of pairs. > > Any suggestions would be much appreciated. > > Emma > -- View this message in context: http://www.nabble.com/pairs-of-numbers-tp22494116p22494346.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.