[BioC] affymetrix chip type

[James W. MacDonald]

Edoardo Saccenti wrote:
> Loading some .cel files via R affy package I get the following warning:
> 
> ------> Cel file "filename" does not seem to be of HG-U133A type

Usually a message like this indicates that you are trying to read both 
U133A and U133B chips into the same AffyBatch, which is not going to 
work. You need to read the two chip types into two separate AffyBatches 
and then go from there.

Best,

Jim


> 
> I konw that this file is of HG-U133B type and not of A one.
> In such a way can I make it recognised? What is the right library
> to download?
> 
> I'm working under Suse 9.1 Linux distrib.
> 
> Greets 
> Edoardo
> 


-- 
James W. MacDonald
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109