Hello 
ok my phenodata(target.txt) looks something like this

1.CEL  A
1.CEL  A
3.CEL  A    
4.CEL  H
5.CEL  H
6.CEL  H

 i loaded the above into my R using 
library(affy)
library(simpleaffy)
eset<-read.AnnotatedDataFrame("target.txt", header=T, row.names=1, sep="\t" )

to view my data:
pData(eset)

then i did normalization on it

Rmaeset<-rma(eset)

now i want to perform multtest..but first i have to create class label..can 
anyone tell me how do i do tht??

peevi



      
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