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Using Bioconductor To Analyse Microarray Data

137 bytes added, 00:09, 27 July 2009
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→‎Obtaining GEO Datasets
Meta(gds) #show extracted meta data
table(gds)[1:10,] #show first ten rows of dataset
eset <- GDS2eSet(gds) #convert to expression set, by default obtains annotation (GPL) data and no log transformation.pData(eset) #phenotype datasampleNames(eset) #sample names (GSM)
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*see [[http://www2.warwick.ac.uk/fac/sci/moac/currentstudents/peter_cock/r/geo/ Peter Cock's Page]] or [[http://www.bioconductor.org/packages/1.8/bioc/html/GEOquery.html GEOquery Documentation]] for more information.