[BioC] dynamic range/scale using exprs (Biobase)

Laurent Gautier laurent at cbs.dtu.dk
Fri Aug 6 07:19:44 CEST 2010

On 06/08/10 00:32, Lucia Peixoto wrote:
> (...)
> although that only gives me the average expression values.
> Is the data extracted by "exprs" already in log2 scale? can someone tell why
> I am seeing such difference in scale/dynamic range? Am I not using "exprs"
> correctly?

The data coming out of rma/gcrma is already log2-transformed.


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