I've done a little digging, but I haven't been able to find an MPI or snow (or any other distributed processing) implementation of fanny (from cluster) or cmeans. Is anyone aware of some implementations or addons which I've missed? [I know of doi://10.1007/978-3-540-71351-7; but that's not for R] Don Armstrong [Currently not subscribed; M-F-T: set accordingly.] -- Certainly the game is rigged. Don't let that stop you. If you don't bet, you can't win. -- Robert Heinlein _Time Enough For Love_ p240 http://www.donarmstrong.com http://rzlab.ucr.edu