[BioC] Gene Selection

[Naomi Altman]

Dear Dr. Pospisil,
I am sure someone would be happy to assist you, but we need more information.

How many treatments (conditions, types of tissue, genotype, or whatever)?
What is the objective of the study: differential expression? gene 
expression clustering?  predicting tissue type?

--Naomi Altman

At 10:06 AM 2/3/2005, Heike Pospisil wrote:
>Dear users,
>
>I am (nearly) a BioC beginner and hope someone could help me with my first 
>analysis.
>I am looking for methods to select discriminating genes from a couple of 
>cel-files using the following metrics: T-statistics, chi-square, Wilkins' 
>and correlation-based feature selection. I would be glad to get some hints 
>or links to some tutorials.
>
>Thanks in advance,
>Heike
>
>--
>Dr. Heike Pospisil
>Center for Bioinformatics, University of Hamburg
>Bundesstrasse 43, 20146 Hamburg, Germany
>phone: +49-40-42838-7303 fax: +49-40-42838-7312
>
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Naomi S. Altman                                814-865-3791 (voice)
Associate Professor
Bioinformatics Consulting Center
Dept. of Statistics                              814-863-7114 (fax)
Penn State University                         814-865-1348 (Statistics)
University Park, PA 16802-2111