has specified data input has specified data output is developed by has format specification is executed in data item software CEL binary format RMAExpress RMAExpress is a standalone GUI program for Windows (and Linux) to compute gene expression summary values for Affymetrix Genechip® data using the Robust Multichip Average expression summary and to carry out quality assessment using probe-level metrics. It does not require R nor is it dependent on any component of the BioConductor project. If focuses on processing 3' IVT expression arrays, exon and WT gene arrays. Nandini Badarinarayan http://rmaexpress.bmbolstad.com/ CDF binary format Text data set background correction data normalization University Of California, Berkeley