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Karen Vranizan wrote: > Hello. What does the following error message mean? It is a result of > running justPlier on an affybatch set of 9 chips. I am using R 2.4.0 > and plier 1.5.1. Thank you. It means that you installed a devel version of plier on a release version of R. Unfortunately with evolving software like R and BioC, mixing and matching things like that can have unintended consequences. The usual prescription is best - use biocLite() to install packages so you don't get mismatches. Best, Jim > > >> plierset<-justPlier(data,normalize=T) > > Quantile normalizing...Done. Error in function (classes, fdef, > mtable) : unable to find an inherited method for function > "experimentData", for signature "AffyBatch" In addition: Warning > message: updating phenoData argument to 'AnnotatedDataFrame' > > > > Karen Vranizan Functional Genomics Lab 261A Life Sciences Addition > Mail Code #3200 UC Berkeley, CA 94720-3200 > > Phone: 510-642-7520 Fax: 510-643-2685 email: > vranizan at berkeley.edu > > [[alternative HTML version deleted]] > > _______________________________________________ Bioconductor mailing > list Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor Search the > archives: > http://news.gmane.org/gmane.science.biology.informatics.conductor -- James W. MacDonald University of Michigan Affymetrix and cDNA Microarray Core 1500 E Medical Center Drive Ann Arbor MI 48109 734-647-5623 ********************************************************** Electronic Mail is not secure, may not be read every day, and should not be used for urgent or sensitive issues.