[BioC] silly question on how to get the expression value

Christos Hatzis christos at nuverabio.com
Wed Jan 16 04:51:17 CET 2008


Hi James,

You should be able to get what you need by

exprs(A) 

which extracts the expression matrix from the exprSet object returned by
justRMA.

-Christos

> -----Original Message-----
> From: bioconductor-bounces at stat.math.ethz.ch 
> [mailto:bioconductor-bounces at stat.math.ethz.ch] On Behalf Of 
> James Anderson
> Sent: Tuesday, January 15, 2008 10:43 PM
> To: bioconductor
> Subject: [BioC] silly question on how to get the expression value
> 
> Dear list,
> 
> I am using justRMA to process a bunch of cel files. I know 
> how to get the expression value by using write.exprs. 
> However, is there a way to get the expression matrix from R 
> without writing it into a txt file? 
> say if I have the following code:
> 
> files = list.celfiles()
> A = justRMA(filenames = files)
> 
> What is the command to get the expression value of A without 
> writing it into a txt file? 
> 
> Thanks,
> 
> James
> 
> 
> 
> 
> 
> 
>        
> ---------------------------------
> 
> 	[[alternative HTML version deleted]]
> 
> _______________________________________________
> Bioconductor mailing list
> Bioconductor at stat.math.ethz.ch
> https://stat.ethz.ch/mailman/listinfo/bioconductor
> Search the archives: 
> http://news.gmane.org/gmane.science.biology.informatics.conductor
> 
>



More information about the Bioconductor mailing list