[BioC] CEL files with different size

[Henrik Bengtsson]

Hi <no name>,

if they are from the same chip type, the smaller ones are probably in
a binary format and the larger ones in an ASCII format.  Since it is
much faster to work with binary files, I recommend you to convert the
ASCII files into a binary files.  You can use convertCel() of the
affxparser package for this.

The question of normalizing for lab effects is a different issue, and
I'll leave that for someone else to comment on...

/Henrik

On 10/1/07, apolyzos at bioacademy.gr <apolyzos at bioacademy.gr> wrote:
> Hello,
> having conducted 2 microarray experiments of the same cell line, and on
> the same affy chip in two seperate facilities we were given CEL files of
> different size (13 & 30 MB). Can I compare them? Is there a way to
> normalize them together?
>
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