[R] standard errors for expression intensities

[Prof Brian Ripley]

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On Thu, 18 Aug 2005, Devarajan, Karthik wrote:

>
> Hello!
>
> When I use the functions rma() or justrma() in the Bioconductor affy
> package, the standard errors for the expression estimates computed by the
> function se.exprs() is a matrix of NA's. I am wondering if any of you have
> encountered this problem and if there is a solution. Any help would be
> appreciated.
>
> Thanks,
> Karthik.
>
>
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>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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