Bioconductor users,
We have two groups of samples on HU133plus2 chips done 1 year apart.
After I normalized with RMA,  the two groups are clustering into separate
clusters at a low level of correlation.
Can someone suggest a way to analyze these samples together?

Lana Schaffer
Biostatistics/Informatics
The Scripps Research Institute
DNA Array Core Facility
La Jolla, CA 92037
(858) 784-2263
(858) 784-2994
schaffer@scripps.edu



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