
Hi Gabriel,
You can have a look here:
http://bmbolstad.com/misc/mixtureCDF/MixtureCDF.html
In the CC I have also included Ben Bolstad (the author), who is very nice and probably can help you more in detail.
Good luck!
 
Jordi Altirriba
 


Date: Wed, 26 Jan 2011 11:25:40 +0200
Subject: Re: Analysing multiple-platform gene expression data
From: gabbyteku@gmail.com
To: altirriba@hotmail.com
CC: bioconductor@stat.math.ethz.ch

Hi Jordi,
When I said multiple Affy platforms I meant different Affy chips, e.g. hgu133a, hgu133plus2. 
Is it OK and possible to remove probes not present in both platforms? 
What are the bilogical/statistical implications of doing this.

Thanks in advance


On Mon, Jan 17, 2011 at 2:45 PM, Jordi Altirriba <altirriba@hotmail.com> wrote:


Dear Gabriel,
We would need more information. What do you mean by different types of Affymetrix platforms? Platforms situated in different places, different machines, different Affymetix chips, etc, etc.
Regards,

Jordi Altirriba


Message: 3
Date: Mon, 10 Jan 2011 15:53:43 +0200
From: gabriel teku <gabbyteku@gmail.com>
To: bioconductor@r-project.org
Subject: [BioC] Analysing multiple-platform gene expression data
Message-ID:
<AANLkTinzi+n2A=D4Nj_H3c4d4P7ruW3HF2BnKsB=vJO_@mail.gmail.com>
Content-Type: text/plain

HI All,
I'm trying to analyse microarray experiment data in which two types of
Affymetrix platforms were used. However, I don't know how to handle these.
I'll be great if I could get a heads up right from the beginning in terms of
statistics, etc.

Thanx
Gabriel

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