Spencer Graves a écrit : > I agree it would be great to sort the variables in a correlation > matrix to make it easier to read and see patterns. I don't know any > functions for doing that. If it were my problem, I might "order" the > variables by their first principal component. There may also be some > cluster analysis way to do that, but I don't know it well enough to say. > Hope this helps. > Spencer Graves
Thanks for your answer Spencer. Here is a first result of a very simple and naive approach. http://7d4.com/r/ Of course, there is no assumption the sorting is "optimal", but on this little example it helps the matrix being more readable. Vincent ______________________________________________ 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