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

[Laurent Gautier]

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.


L.