[BioC] Question about Li&Wong normalization

lgautier at altern.org lgautier at altern.org
Wed Dec 6 03:11:20 CET 2006


>
>
> Hello all,
>
> I work  for a in vitro diagnostic company and we are interested in the
> analysis of microarray data.
>
> I'm wondering if there is a way to retrieve probesets that were determined
> as invariant by Li&Wong approach ?

Yes there is.

> Any help would be greatly appreciated.

You are looking for the function "normalize.invariantset" in the
"affy" package.



Laurent



> Malick,
>
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