[BioC] External expression data/ MAS5 Signal

Isaac Neuhaus isaac.neuhaus@bms.com
Fri, 28 Jun 2002 09:56:09 -0400


Affymetrix has fully described the MAS5.0 algorithm and they put it on the web.
Here is the url:

http://www.affymetrix.com/support/technical/whitepapers.affx

Go to the bottom of the page and look for:

Statistical Algorithms Description Document (pdf, 660 KB)

Isaac

"Rafael A. Irizarry" wrote:

> > #1. how can I import the external expression value table to affy? If
> > possible, in which format?
> what do you mean by external expression value table? if its just a flat
> file you can use read.table (an R command)
>
> > #2. I saw AvgDiff, AvgDiff2, rma, and li.wong in express. Is it possible to
> > calculate the Signal value which is implemented to Microarray Suite version
> > 5 in affy?
> >
> as far as i know the algorithm isnt public yet so we can't incorporate it.
>
> > Thank you very much for the helps in advance.
> >
> > SW
> >
>
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