[BioC] Problems with GCOS and affy

Ben Bolstad bolstad at stat.berkeley.edu
Sat Oct 18 03:39:40 MEST 2003

The new GCOS uses a binary file format. Which the current ReadAffy()
command does not yet parse (but should do so in the near future). 


On Fri, 2003-10-17 at 18:27, Tan, MinHan wrote:
> Hi,
> I have just migrated our system froM MAS5.0 to GCOS (I wish I hadn't!)
> I am having problems reading the GCOS generated CEL files in - it seems
> that ReadAffy doesn't recognize the .CEL files.
> The error message is "The file does not appear to be a .CEL file".
> The .CEL files and the .CHP files (for the HGU133A) seem to be 5 MB each
> (in GCOS), in comparison to the same files in MAS5.0, which are 14 MB
> and 11 MB.
> Has anyone else migrated their system to GCOS and experienced the same
> problems?
> Regards,
> Min-Han Tan
> Van Andel Research Institute
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Ben Bolstad <bolstad at stat.berkeley.edu>

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