
I need to normalize  and Shift to 75.0 percentile, I used limma package, a part of my code is:


RG <- read.maimages(my.filenames, source="agilent", columns=one.col, dec=".")
   
MA <- backgroundCorrect(RG)
MAnorm <- normalizeBetweenArrays(MA$G, method="quantile")

But In the normalization function  I don't known where write that Shifted to 75.0 percentile or how to make this?

 Help me please,

Paz
 		 	   		  
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