[BioC] bioconductor implementations to find rank invariant genes

[Heidi Dvinge]

HI Juliet,

> All,
>
> I am searching for a bioconductor package that implements
> rank-invariant normalization. More importantly,
> I would like to obtain a list of genes that appear to be rank
> invariant. I don't want the actual
> normalization.
>
Try normalize.invariantset from affy. That will give you a boolean index
of the invariant input values.

d <- rnorm(1000)
ref	<- rnorm(1000)
norm	<- normalize.invariantset(data=d, ref=ref)
norm[["i.set"]]

HTH
\Heidi

> I see that the HTqPCR package has an implementation.
>
> Has anyone used any other implementations?
>
> Thanks for your help.
>
> Regards,
>
> Juliet
>
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