> I'd like to create a matrix with three columns so that each element is > between 0 and 1 and each row always adds to 1. So, if in the same row the
You could start with expand.grid m <- expand.grid(x1=0:100, x2=0:100) #Avoids comparing floats m <- m[rowSums(m)<=100,] #Throw away the oversized ones m <- cbind(m, x3=100-rowSums(m)) #Get the final column m <- m/100 #Scale to [0,1] table(rowSums(m)) S Ellison ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ 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.