[BioC] how to match the identifiers in multiple microarray data sets

[Ting-Yuan Liu]

Hi Weinong,

There is a BioC package called "MergeMaid" which might be useful to you.  

HTH,
Ting-Yuan
______________________________________
Ting-Yuan Liu
Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
Seattle, WA, USA
______________________________________
We should live by the second, as each second is a critical period to pass 
through. ---Master Cheng Yen

On Tue, 15 Nov 2005, weinong han wrote:

> Hi, Everybody,
>   
> Matching of identifiers is an important component when meta analysis 
> are implemented in the  microarray data sets from different labs and 
> different technologies.
> 
> As to matching of identifiers, at least two methods are suggested:
> 
> 1. cluster ID and gene names were assigned to all of the cDNA clones 
> and Affymetrix probes based on  UniGene;
> 
> 2. using accession numbers provided by Affymetrix and other 
> manufacturers and mapped them to the current version of the UniGene database;
> 
> Some use RefSeq identifiers. Would you have the experiences of meta 
> analysis on microarray data sets? Any advice and suggestions will be much 
> appreciatedon how to match identifiers and how to choose the suitable 
> statistical methods in meta analysis .
> 
> What packages include complete procedures of meta analysis of 
> microarray data sets?
> 
> Thanks again.
> 
> 
> Best Regards
>  
> Han Weinong  
> hanweinong at yahoo.com
> 
> 		
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