Hello. Which value of 'type' is the default in the gcrma() function ["fullmodel","affinities","mm","constant"] ? Thanks. kv Karen Vranizan Functional Genomics Lab 261A Life Sciences Addition Mail Code #3200 UC Berkeley, CA 94720-3200 Phone: 510-642-7520 Fax: 510-642-5741 email: vranizan at berkeley.edu [[alternative HTML version deleted]]