Hi to everybody, I've just red some days ago the new paper on "logit-t" method to analyze affy chips. -------------------------------------------------------------- "A high performance test of differential gene expression for oligonucleotide arrays" William J Lemon, Sandya Liyanarachchi and Ming You Genome Biology 2003, 4:R67 -------------------------------------------------------------- What do you think about this? Regards Dario -------------------------------------------- Dario Greco Institute of Genetics and Biophysics "Adriano Buzzati Traverso" - CNR 111, Via P.Castellino 80131 Naples, Italy phone +39 081 6132 367 fax +39 081 6132 350 email: greco@igb.cnr.it; greco@biogem.it