> Problem: I need to get a "matrix" of "datapoints". > Each datapoint has to contain tree attributes.
Have you tried: m <- matrix(list(), nrbases, nrbases) ? You would then index it using m[[i,j]]. A list is a basic vector, so you can make a matrix with it, just as you can with a vector of numbers. Hadley ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
