pcaMethods combined with rggobi is particularly good for this purpose.


On Thu, Mar 15, 2012 at 10:18 AM, Maciej Jończyk <mjonczyk@biol.uw.edu.pl>wrote:

> Hi Ali,
>
>
>  What test should be done to determine the two samples which are
>> most different?
>>
>
> PCA (Principal component analysis) would be perfect for this purpose.
> There are some packages from bioconductor, R
> which performs it.
>
> HTH,
> Maciej Jończyk
>
> --
> Maciej Jonczyk,
> Department of Plant Molecular Ecophysiology
> Faculty of Biology, University of Warsaw
> 02-096 Warsaw, Miecznikowa 1
> Poland
>
>
>
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-- 
*A model is a lie that helps you see the truth.*
*
*
Howard Skipper<http://cancerres.aacrjournals.org/content/31/9/1173.full.pdf>

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