Thanks Benilton, 

All I have is a list of probeset names and the normalized intensity values...no probe level data. So what I would need to do is to generate the probe level data that would produce these normalized intensity values and then use createCel. Has anyone attempted this before? 

-J 

-- Jason Greenbaum, Ph.D. 
Manager, Bioinformatics Core | jgbaum@liai.org 
La Jolla Institute for Allergy and Immunology 

----- Original Message -----

> From: "Benilton Carvalho" <beniltoncarvalho@gmail.com>
> To: "J. Greenbaum" <jgbaum@liai.org>
> Cc: bioconductor@r-project.org
> Sent: Wednesday, July 11, 2012 3:14:37 AM
> Subject: Re: [BioC] regenerate CEL file from analyzed data

> Really depends on the definition of "processed data". If by that you
> mean that the user only has the results after something like RMA,
> there's nothing you can do to generate a CEL file from that.

> If the user has the intensity values prior to preprocessing (ie.,
> probe-level data), then one suggestion is to use the affxparser
> package (createCel/updateCel).

> b

> On 11 July 2012 03:55, J. Greenbaum <jgbaum@liai.org> wrote:
> > Hi all,
> >
> >
> > I have an odd request....
> >
> >
> > I was wondering if there is a way to create a CEL file from
> > processed data. We have a user here who needs to deposit their
> > data in GEO for publication, but they have lost their original CEL
> > file as the experiments were done 8 years ago. So, I was wondering
> > if any of the Bioconductor modules (or any tool at all) might have
> > the functionality to take a list of probe sets and intensity
> > values and create a CEL file. I realize this is a long shot, but I
> > thought I would throw it out there.
> >
> >
> > Thanks in advance!
> >
> >
> > -Jason
> >
> >
> >
> >
> >
> >
> > -- Jason Greenbaum, Ph.D.
> > Manager, Bioinformatics Core | jgbaum@liai.org
> > La Jolla Institute for Allergy and Immunology
> >
> >
> >
> >
> >
> > [[alternative HTML version deleted]]
> >
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