Question: Limma design matrix
0
gravatar for Yihuan Xu
14.8 years ago by
Yihuan Xu130
Yihuan Xu130 wrote:
Hi, I am using Limma for a non-affy single channel dataset. the design is a 2X2 factorial design, but one chip is missing. array gender genotype 1 M mutant 2 M mutant 3 F mutant 4 F mutant 5 M wild 6 M wild 7 F wild How to make the design matrix? Thank you very much. Yihuan
limma • 516 views
ADD COMMENTlink modified 14.8 years ago by Gordon Smyth37k • written 14.8 years ago by Yihuan Xu130
Answer: Limma design matrix
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gravatar for Gordon Smyth
14.8 years ago by
Gordon Smyth37k
Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
Gordon Smyth37k wrote:
At 06:04 AM 27/07/2004, Yihuan Xu wrote: >Hi, > >I am using Limma for a non-affy single channel dataset. the design is a 2X2 >factorial design, but one chip is missing. > >array gender genotype >1 M mutant >2 M mutant >3 F mutant >4 F mutant >5 M wild >6 M wild >7 F wild > >How to make the design matrix? Why not design <- model.matrix(~factor(gender)*factor(genotype),data=targets) where 'targets' is your targets data.frame? Gordon >Thank you very much. > >Yihuan
ADD COMMENTlink written 14.8 years ago by Gordon Smyth37k
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