Hi all,
   
  A newbie to Bioconductor, so please forgive the naive question..
   
  I had two sets of data (normalized affy data). The first set contains cancerous expression data for 40 patients, and the second set contains expression data for 30 'normal' (i.e non cancerous) patients. 
   
  I wanted to find out the genes that are 'differentially expressed' in the two sets. Which package, and which functions can I use? Any reasonably popular method/package would work for me.
   
  many thanks.

		
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