[BioC] rma - intensity distribution over chips

[Rafael A. Irizarry]

because its the probe intensities that are quantile normalized not the 
expression values. 

On Wed, 21 Jan 2004, Rani Elkon wrote:

> Hi,
> 
> I have analyzed my chip data using the rma function. After rma computations I examined the distribution of intensities over the chips. As the rma function employs the quantile normalization I expected to get identical distribution for all the chips. The distributions that I get are similar but not identical. Why is it so? Have I missed something? 
> 
> I would really appreciate your help. 
> 
> -Rani. 
> 
> 
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