[BioC] How to choose the most 2 different samples in an array experiment

Maciej Jończyk mjonczyk at biol.uw.edu.pl
Thu Mar 15 18:18:27 CET 2012

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.

Maciej Jończyk

Maciej Jonczyk,
Department of Plant Molecular Ecophysiology
Faculty of Biology, University of Warsaw
02-096 Warsaw, Miecznikowa 1

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