[BioC] phenoData

John Zhang jzhang at jimmy.harvard.edu
Thu Apr 8 20:25:45 CEST 2004

>I have a beginners  type question. I see that in simpleaffy one tells 
>bioconductor what the samples represent through having a  tab 
>deliminated covdesc file in the same folder as the .cel files. Other 
>packages use phenoData which I gather is seen with the pData(eset) 
>command, how does one  make a  phenoData file and where is it kept?

phenoData is a S4 class defined in the Biobase package. Type ?phenoData (after 
loading Biobase) for the descriptions and examples of creating a phenoData.

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Jianhua Zhang
Department of Biostatistics
Dana-Farber Cancer Institute
44 Binney Street
Boston, MA 02115-6084

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