Hi, I have saved a gcrma analysis result in a file using write.exprs. There is a function to read in R exprSet data or I have to use the read.table function? Yours sincerely Raffaele -- Prof. Raffaele A. Calogero Genomics and Bioinformatics Unit Dipartimento di Scienze Cliniche e Biologiche c/o Az. Ospedaliera S. Luigi Regione Gonzole 10, Orbassano 10043 Torino tel. ++39 0116705410 Lab. ++39 0116705408 Fax ++39 0119038639 e-fax ++39 0112365410 Mobile ++39 3333827080 email: raffaele.calogero@unito.it www: www.bioinformatica.unito.it _____________________________________________________________________ For your security, this mail has been scanned and protected by Inflex