[BioC] beadarray: how to create BeadStudio output after createBeadSummaryData

Cei Abreu-Goodger cei at langebio.cinvestav.mx
Tue Jan 11 23:41:10 CET 2011


Hello,

Is there a way of generating "BeadStudio like" files from within R?

I have used beadarray to process raw Illumina output, obtaining an 
object of class 'ExpressionSetIllumina' using the functions 
readIllumina/backgroundCorrect/createBeadSummaryData.

As far as I can see this is equivalent to what BeadStudio does to obtain 
the 'SampleProbeProfile.txt' files. Is there a way of creating such a 
text file from within R? In order to submit data to ArrayExpress they 
seem to want one of these files (with the typical columns: ARRAY_STDEV, 
AVG_Signal, Avg_NBEADS, BEAD_STDEV, Detection, MAX_Signal, MIN_Signal, 
NARRAYS).

Thanks,

Cei

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