[BioC] how to get expression data and output them

[Jean Yee Hwa Yang]

Hi,

> I use 
> mark.raw<-read.GenePix()
> mark.norm<-maNorm(mark.raw, n="l")
> and get normalized the data (cDNA chips).

That is correct.  To obtain the expression data use
write.xls(maM(mark.norm), file="myfile.xls")

Cheers

Jean