[BioC] adjusted p-value EdgeR

Steve Lianoglou mailinglist.honeypot at gmail.com
Thu Nov 29 16:49:58 CET 2012


Hi,

On Thu, Nov 29, 2012 at 5:37 AM, Kaat De Cremer
<Kaat.DeCremer at biw.kuleuven.be> wrote:
>
> Dear list,
>
>
> I am using EdgeR to calculate differentially expressed genes of RNAseq data.
> the toptags output gives me both a p-value and an FDR value.
> is the FDR the 'adjusted p-value' as it is commonly called?
> I tried to look this up in the archive, but I'm still not completely sure if this is correct.

Right, see ?topTags

Unless you've changed the call to topTags, you're simply running R's
`p.adjust` method on the nominal p-values using the "BH" correction
(see ?p.adjust for more info on that).

-steve

-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact



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