[BioC] Fwd: MAS5+32, PLIER+16 alorithms reported in affycomp

[Rafael A. Irizarry]

to avoid dividing by numbers close to 0. earl added 16 to the
PLIER expression values (before log!) and 32 to the MAS 5.0 ones.


On Mon, 6 Mar 2006, James W. MacDonald wrote:

> Frank Duan wrote:
>> Hi All,
>>
>> Sorry to raise up this question again. I did search the forum but failed to
>> get the answer.
>>
>> Can anyone has an idea what "16" means in "plier+16"?
>
> Why don't you email Earl Hubbell directly and ask him? You can get his
> email off the affycomp website.
>
> Best,
>
> Jim
>
>
>
> -- 
> James W. MacDonald, M.S.
> Biostatistician
> Affymetrix and cDNA Microarray Core
> University of Michigan Cancer Center
> 1500 E. Medical Center Drive
> 7410 CCGC
> Ann Arbor MI 48109
> 734-647-5623
>
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