Hi, everyone,
   
  I want to normalize the data from different Affymatrix chip arrays: HG_U133A2.0 and HG_U133 plus 2.0 (most of the probe set in HG_U133A2.0 can be found in HG_U133 plus 2.0). Since they correspond to different CDF files, there comes error if I put those cell files together to normalize as usual. I wonder if there is any solution for this? Thanks a lot for your help!
   
  Best,
  Yuan Chen

 
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