[BioC] limma factorial designs in two color arrays

Yong Jiang yjiang at ucsd.edu
Tue Jan 10 08:19:36 CET 2006

i am using limma to analyze agilent chip data with four groups of cell
lines: wt, mut, wt+S(stimulated), mut+S.
goals: 1)find genes difference between wt and mut; 2)which genes
response to S in wt and mut repectively; 3) which genes respond
differently in mut and wt. 

can anyone tell me how to design a matrix model for the comparison ?


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