[BioC] Re: affy R cdf

Laurent Gautier laurent@genome.cbs.dtu.dk
Mon, 22 Apr 2002 14:33:32 +0200


On Fri, Apr 19, 2002 at 08:09:59AM -0700, Dennis P. Wall wrote:
> Dear Dr. Laurent,
>  
>  
> I recently found your very helpful affy package and preprocessed HU_95A
> CDF file.  I am confused about how to use the cdf file with the CEL file
> to generate expression data.  I keep getting the message "Error in
> read.cdf file (CDF file, compress = compress.cdf) : The specified file
> does not appear to be a CDF file."  Do you know how to avoid such an
> error?
>  
> I sincerely appreciate your help.
>  
>  
> Best,
>  
>  
> 
> Dennis


Dear Dr. Dennis,


Thanks for your comments and for reporting the problem.


This error message is usually generated when then given file is not a CDF file.
or when trying to read a compressed file while the flag 'compress' is set to FALSE (or the contrary). 



Does this help ?





L.



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