[R] how to test robustness of correlation

Gabor Grothendieck ggrothendieck at gmail.com
Thu Jan 26 18:05:10 CET 2006


The cor function can do spearman correlation using
method = "spearman" .

On 1/25/06, yang.x.qiu at gsk.com <yang.x.qiu at gsk.com> wrote:
> Hi, there:
>
> As you all know, correlation is not a very robust procedure.  Sometimes
> correlation could be driven by a few outliers. There are a few ways to
> improve the robustness of correlation (pearson correlation), either by
> outlier removal procedure, or resampling technique.
>
> I am wondering if there is any R package or R code that have incorporated
> outlier removal or resampling procedure in calculating correlation
> coefficient.
>
> Your help is greatly appreciated.
>
> Thanks.
> Yang
>
> Yang Qiu
> Integrated Data Analysis
> Cheminformatics at RTP
> GlaxoSmithKline
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>
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