[BioC] rma data retrieve

Benilton Carvalho bcarvalh at jhsph.edu
Tue Oct 23 21:44:51 CEST 2007


use

exprs()

eg.: exprs(eset)

on your summarized obj.

b

On Oct 23, 2007, at 3:38 PM, Jianping Jin wrote:

> Dear list,
>
> I used to get/use/display rma normalized expression values by the  
> command
> eset at exprs[] after computing expression with rma. It looks that  
> something
> has changed in R 2.6 and BioConductor 2.1 with affy_1.16.0.  
> Implementation
> of the command gives out an error message: no slot of name "exprs"  
> for this
> object of class "ExpressionSet". Checking with "str" did not give  
> me any
> useful info either. Any idea about it?
>
> thanks,
>
> Jianping



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