[BioC] Combining objects of marrayRaw
Jean Yee Hwa Yang
jean at biostat.ucsf.edu
Thu Mar 11 00:51:29 MET 2004
Hi Tzulip,
Are they from the same print-run? If yes, you can try the function cbind
after installing the developmental version of marrayClasses.
Cheers
Jean
On Wed, 10 Mar 2004, Tzulip Phang wrote:
> Hi All,
>
> Is there any way to combine two or more marrayRaw class objects? For
> example, if I use read.GenePix to read in two different cDNA datasets
> into two different marrayRaw objects, and later on I want to combine
> both together into one single object.
>
> Any advice?
>
> Thank you
>
> Tzu
>
> Paola Sgado' wrote:
>
> > Hi,
> > I didn't explain the things properly, sorry!
> >
> > What I have is three different treatments, each one with its own
> > control. Of these 6 chips I have three duplicates done in two
> > different places. At the end what I compare is treated vs untreated,
> > so I can have list of differentially expressed genes without
> > considering the replicates. My question is: Do I need to process (rma)
> > all the chips together to be able to compare the replicates? Does it
> > change the list of differentially expressed genes if I do separate rma
> > for the different replicates?
> >
> > Thanks again for your help
> > Paola
> >
> > _______________________________________________
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> >
>
> --
> Tzu L. Phang, Ph.D.
> 303-315-1583
> http://compbio.uchsc.edu/Hunter_lab/Phang
>
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