Hi Matt,

That looks like exactly the thing... but it wouldn't work on Illumina,
right? RMA is Affy only?

Thanks,

Nathan


On 14 April 2013 16:43, Matthew McCall <mccallm@gmail.com> wrote:

> Nathan,
>
> Take a look at the frma package and paper:
> McCall MN, Bolstad BM, and Irizarry RA* (2010). Frozen Robust
> Multi-Array Analysis (fRMA), Biostatistics, 11(2):242-253.
>
> Best,
> Matt
>
>
>
> On Sun, Apr 14, 2013 at 10:40 AM, Nathan Skene [guest]
> <guest@bioconductor.org> wrote:
> >
> > Hi,
> >
> > I have a built a classifier on a set of my own microarray data.
> >
> > I would like to be able to show that it works on new data, by taking
> some from GEO (same tissue, same array platform etc) and classifying that.
> >
> > However, the probe values in the new datasets are offset compared to
> those in my original dataset, presumably because of differences in how they
> were normalised.
> >
> > Is there a way to normalize datasets taken from GEO so that they are
> normalized with respect to an existing dataset?
> >
> > Thanks
> >
> >
> >  -- output of sessionInfo():
> >
> > -
> >
> > --
> > Sent via the guest posting facility at bioconductor.org.
> >
> > _______________________________________________
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> > Search the archives:
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>
>
>
> --
> Matthew N McCall, PhD
> 112 Arvine Heights
> Rochester, NY 14611
> Cell: 202-222-5880
>

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