Ah, I see - data is a reserved word, so no problem.. Thanks! Knud ----- Original Message ----- From: Knud Josefsen To: bioconductor@stat.math.ethz.ch Sent: Saturday, January 03, 2004 1:30 PM Subject: R 1.8.1 I just upgraded til R 1.8 and installed affy and related programs through R. > eset <-expresso(data, bgcorrect.method="rma", + normalize.method= "quantiles", + pmcorrect.methods="pmonly", + summary.methods="medianpolish") gives Error in expresso(data, bgcorrect.method = "rma", normalize.method = "quantiles", : unused argument(s) (pmcorrect.methods ...) What went wrong? Thanks! Knud [[alternative HTML version deleted]]