[BioC] gcrma

[Rafael A. Irizarry]

what is the class of eset? gcrma operates on instances of class AffyBatch.

On Fri, 1 Aug 2003, Crispin Miller wrote:

> Hi,
> I've been trying to play with gcrma...
> When I chuck an affyBatch object, eset,  at it (containing 25 U133A arrays) as follows:
> 
> > normalised <- gcrma(eset)
> It gets as far as background correcting and then dies with:
> 
> Error in tmp[1, ] : incorrect number of dimensions
> and then a few warning messages:
> 
> NaNs produced in log(x)
> 
> I get the same if I try different normalisation techniques or mle instead of eb...
> 
>  I have installled both the hgu133aprobe and the matchprobes libraries...
> 
> I was wondering if anyone can help?
> 
> Cheers,
> Crispin
>  
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