[BioC] expression output in simpleaffy

[Jenny Drnevich]

Hi Tarun,

If you just want to export the values from an exprSet, check out exprs2excel().

Jenny

At 03:55 AM 5/24/2006, botto wrote:
>Hi Tarun,
>
>I'm not quite sure what you are looking for. Do you mean the "expression
>levels" alias "normalised intensisities"? If that is so then you can
>access these values with
>
> > exprs(yourExprSetObject)
>
>It returns an array of the dimensions numberofgenes x numberofarrays.
>Note that these values are normalised AND summarised. If you wish
>unsummarised values, just normalised, then you have to set
>summary.method=NULL when you call expresso.
>
>Hope that helps,
>
>Benjamin
>
>Am Dienstag, den 23.05.2006, 15:01 -0700 schrieb Tarun Nayar:
> > Hi,
> >
> > How can I output normalized data from an exprSet for all probe sets and
> > all arrays in an experiment?
> >
> > ...the results.summary and write.annotation functions appear to only
> > work once a pairwise.comparison is performed (?)
> >
> > thanks
> >
> > Tarun Nayar
> > Genome Sciences Centre
> > Vancouver, BC
> >
> >       [[alternative HTML version deleted]]
> >
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> >
>--
>Benjamin Otto
>Universitaetsklinikum Eppendorf Hamburg
>Institut fuer Klinische Chemie
>Martinistrasse 52
>20246 Hamburg
>
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Jenny Drnevich, Ph.D.

Functional Genomics Bioinformatics Specialist
W.M. Keck Center for Comparative and Functional Genomics
Roy J. Carver Biotechnology Center
University of Illinois, Urbana-Champaign

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