Hi Friends Is there a way to get the platform annotation table from ExpressionSet object. I am using ArrayExpress packages to get the ExpressionSet Objects as following. #ArrayExpress library(ArrayExpress) data = getAE("E-MEXP-1422", type = "processed") cn = getcolproc(data) eset = procset(data, cn[2]) varLabels(eset) featureNames(eset) Above functions varLabels and featureNames retrieve only plotform IDs. How I can I get the gene names, Transcripts IDs and other annotation. I appreciate your help. Thank You Sailu Yellaboina Visiting Fellow NIH, NIEHS [[alternative HTML version deleted]]

On Sun, Sep 27, 2009 at 6:34 PM, Sailu Yellaboina <yellaboinas at="" gmail.com=""> wrote: > Hi Friends > ?Is there a way to get the platform annotation table from ExpressionSet > object. > I am using ArrayExpress packages to get the ExpressionSet Objects as > following. > > > #ArrayExpress > library(ArrayExpress) > data = getAE("E-MEXP-1422", type = "processed") > cn = getcolproc(data) > eset = procset(data, cn[2]) > varLabels(eset) > featureNames(eset) > > Above ?functions varLabels and featureNames retrieve only plotform IDs. How > I can I get the gene names, Transcripts IDs and other annotation. I > appreciate your help. Hi, Sailu. Does featureData(eset) or fData(eset) give you what you want? Sean