[BioC] No replicates and differential analysis !!

Sean Davis sdavis2 at mail.nih.gov
Wed Jan 25 15:03:54 CET 2006

On 1/25/06 8:34 AM, "Nicolas Servant" <Nicolas.Servant at curie.fr> wrote:

> Hello,
> Does anybody know a R package or function to compare expression level
> (affy data) of two groups with no replicates in each group ? In fact,
> just compare one array to an other.
> The purpose is to find differentially expressed genes.
> We cannot used statistical test (not enougth replicates), but we can
> used graphical approach based on scatter plot, and outliers detection
> approach.

Simply take array A and divide it by array B.  Then rank the genes by those


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