[BioC] Basic question about Limma

[Neel Aluru]

Hi Guido,

What do you mean by "difference between the normalized expressions...." 

Neel

On Apr 27, 2010, at 1:05 PM, Guido Leoni wrote:

> Dear List I've a very basic question about the  limma output (and I'm newbie
> of MA analysis).
> I'm looking some analysis output .Usually in the M column (if I well
> understand ) I should expect to find the log2-fold change of my
> conditions.Instead I find the difference between the normalized
> expressions...
> Some one could suggest to me how to transform these values in log2  fold
> change?
> Thank you very much and sorry for my silly question
> Guido Leoni
> 
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Neel Aluru
Postdoctoral Scholar
Biology Department
Woods Hole Oceanographic Institution
Woods Hole, MA 02543
USA
508-289-3607