[BioC] Problem regardign ReadAffy()

[James W. MacDonald]

Hi Nayeem,

Nayeem Quayum wrote:
> Hello everybody,
>         I was trying to load HGU133 data set in to bioconductor for some
> analysis. But I got an error. Any kind of help would be appreciated. The
> code is very simple
> 
>  library(affy)
> Data <- ReadAffy()
> 
> I invoked R from the directory where all the CEL files are resided. But I am
> getting the following error.
> 
> Error in initialize(value, ...) : Cel file /home/dev/Desktop/temp/INF
> alpha/Exo_A_U133B.CEL does not seem to be of HG-U133A type

It would appear from the error message that you have a mixture of 133A 
and 133B chips in your working directory. Since these are different 
chips you cannot work with them simultaneously, hence the error.

Best,

Jim


> Thanks.
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
James W. MacDonald
University of Michigan
Affymetrix and cDNA Microarray Core
1500 E Medical Center Drive
Ann Arbor MI 48109
734-647-5623



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