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Old 08-29-2013, 05:41 PM   #1
Location: San Francisco

Join Date: Aug 2013
Posts: 23
Default cummeRbund MDS/PCA gene list

I've run both the MDSplot and PCAplot on some data in cummeRbund. I was wondering if it is possible to get the list of genes that are contributing to PC1 and PC2?
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Old 08-29-2013, 11:39 PM   #2
Devon Ryan
Location: Freiburg, Germany

Join Date: Jul 2011
Posts: 3,480

Well, one could argue that all genes contribute to every principal component, just to varying degrees.

I should add, that what it sounds like you're looking for is factor analysis, the utility of which is questionable unless you have quite a few samples.

Last edited by dpryan; 08-29-2013 at 11:44 PM.
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