I am trying to preprocess a large dataset of affymetrix data.  Creating an affybatch is not possible with the computer I am running it on, so I have used the justRMA command to run RMA.  I have read the affy document describing the justRMA command and the help documentation but I am unclear as to whether this command uses median polish after normalization.  I assume this is the case but would like to be sure before proceeding.  Could someone clear up this confusion? 

Thanks,
Mike
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