Entering edit mode
AH. GS==GeneSpring.
If you want to join them before importing to GeneSpring, you should do
this after computing expression values. You can do something like:
out <- rbind(exprs(exprSetA), exprs(exprSetB))
write.table(out, "Combined expression data.txt", sep="\t", quote=F,
col.names=NA)
HTH,
Jim
James W. MacDonald
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623
>>> "Lizhe Xu" <lxu@chnola-research.org> 03/14/04 06:20PM >>>
Now, I tried to load the exported data from Bioconductor to GeneSpring
and found another question. Since I used U133 chip set, I wonder if I
can joint the U133A and B directly and import them to GS or I should
do
probeset level normalization first (if so, which package in
bioconductor
can do it) before joint them. Thanks.
Lxu
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