[BioC] about limma

Laurent Gautier laurent at cbs.dtu.dk
Fri Jul 8 11:37:15 CEST 2011

I do not think that there is any technical limitation that would prevent 
you from using it with "non log-transformed data".
However, note that if working on microarray data homoscedasity might be 
very far from respected and this place the post-fit part of the analysis 
pipeline (eBayes or treat) on unknown ground.


On 2011-07-08 11:13, 張詩婷 wrote:
> Hi,
> I want to ask some questions about limma package .
> if my data is not  log-transform, whether also could use "lmFit" function?
> thanks!
> Chang
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