To clarify: I want to get rid of the loop over i,j Here is a simpler example. ver is a 2D matrix
count<-0 for(i in 1:nrow(ver)) for(j in 1:ncol(ver)) { count<-count+1 x[count]<-ver[i,j] } Bill ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html