[BioC] how to get expression data and output them

[Lang Chen]

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

Am I doing it correctly? After that, how can I get expression data and
output them to TXT or XLS file?

Thanks

Lang Chen

Research Assistant
Department of Biostatistics 
Section on Statistical Genetics
Ryals Public Health Building, Suite 343A
University of Alabama at Birmingham
1530 3rd Ave S
Birmingham, Alabama 35294
Tel 205-9757772