Hi All,

I just noticed that justGCRMA in Bioconductor 2.5  output identical 
intensities across all samples for a subset of probesets on HGU133plus2 
chip.  I used the command:

> data <- justGCRMA()

I've seen it on a couple datasets - one run on linux, one on a PC.  The 
dataset run on linux is in GEO (GSE9843).  I haven't looked carefully but 
it seems to occur for some of the lower-intensity probesets. 

I wonder is this a bug?

Thanks,

Brian


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