R/eset2GenomicAnnotations.R

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#### eset2GenomicAnnotations : function to extract genomic annotations from annotations library associated to an expressionset
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setMethod("eset2GenomicAnnotations", "ExpressionSet", function(.Object, retain.chrs=NULL, optionalAnnotations=NULL) {


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## extract GenomicAnnotations
probesets<- featureNames(.Object)

GenomicsAnnotations_object<-GenomicAnnotationsFromLibrary(annotLibrary=annotation(.Object), probeIDs=probesets, retain.chrs=retain.chrs, optionalAnnotations=optionalAnnotations)

return(GenomicsAnnotations_object)


})

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PREDA documentation built on May 6, 2019, 2:07 a.m.