[BioC] how to run SAM analysis
Adaikalavan Ramasamy
ramasamy at cancer.org.uk
Thu Sep 1 23:48:51 CEST 2005
Your design is seriously unbalanced and under-powered. I would suggest
you increase the sample size in the normal group. This holds no matter
what test statistics you plan on using.
LIMMA would probably be better for your purposes. I _think_ it has been
shown empirically to hold for small sample sizes.
Regards, Adai
On Wed, 2005-08-31 at 19:22 -0700, weinong han wrote:
> Hi, List,
>
> I have 17 affymetrix .cel files and ran RMA analysis on them. Now I want to run SAM analysis(unpaired, 3 normal tissues and 14 diseased tissues) on the RMA data with R2.1.1.
> I have installed the samr package.
>
> Questions: How to run the SAM analysis after the RMA analysis? The better, the more detailed explanations.
>
> Any advice and suggestions will be much appreciated.
>
>
>
>
> Best Regards
>
> Han Weinong
> hanweinong at yahoo.com
>
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