[BioC] Calculation of $stdev.unscaled and $sigma values by lmfit() in Limma package

Seth Falcon sfalcon at fhcrc.org
Sun Mar 21 16:45:12 CET 2010

On 3/20/10 4:49 PM, John Holden wrote:
> Hi,
> I am not able to understand what R is doing in the background while
> calculating the $stdev.unscaled and $sigma values from using the lmfit()
> function for microarrays.
> Any ideas?

I suspect you mean the lmFit() function?  You can read the source code
for that function by loading the limma package and typing limFit.  That
could be a good place to start.  You will likely get a more specific
answer by asking a more specific question.

+ seth

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