
Dear all,    I have a question regarding using SAM in R for discerning differentially expressed genes from microarray gene expression datasets. I have 4 treatments in total, and I plan to use the multiclass option.     How does the multiclass work? (i.e. how does the algorithm under this setting decide if a gene is differentially expressed or not). I am unable to find a paragraph explaining this, other than the mathematical equation provided in SAM's documentation.
Thanks a lot in advance!Sincerely,Cassie
 		 	   		  
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