James, thank you for the answer. I have microarray data expressionsXsamples. Do you have another solution? Pavel On Fri, Jun 17, 2011 at 10:18 PM, James W. MacDonald <jmacdon@med.umich.edu>wrote: > Hi Pavel, > > > On 6/17/2011 1:36 PM, Pavel Goldstein wrote: > >> Hello everyone, >> >> I want to try PCA-based gene filter from pvac package. >> For this purpose I need to covert my data (matrix) to Affybatch object. >> I have found only ReadAffy function that doing with Cel files. >> > > The pvac package is specifically designed to use raw Affymetrix data. You > don't say what your data matrix consists of, but I assume you don't have raw > Affy data. In which case this package isn't likely to be useful to you. > > Best, > > Jim > > > Can anyone help me? >> >> Thanks, >> >> Pavel >> >> [[alternative HTML version deleted]] >> >> ______________________________**_________________ >> Bioconductor mailing list >> Bioconductor@r-project.org >> https://stat.ethz.ch/mailman/**listinfo/bioconductor<https: stat.e="" thz.ch="" mailman="" listinfo="" bioconductor=""> >> Search the archives: http://news.gmane.org/gmane.** >> science.biology.informatics.**conductor<http: news.gmane.org="" gmane="" .science.biology.informatics.conductor=""> >> > > -- > James W. MacDonald, M.S. > Biostatistician > Douglas Lab > University of Michigan > Department of Human Genetics > 5912 Buhl > 1241 E. Catherine St. > Ann Arbor MI 48109-5618 > 734-615-7826 > ************************************************************ > Electronic Mail is not secure, may not be read every day, and should not be > used for urgent or sensitive issues > [[alternative HTML version deleted]]