Can edgeR do trend anaysis?

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shirley47162928

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Join Date: Jan 2015

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#1

Can edgeR do trend anaysis?

01-28-2015, 12:41 PM

In edgeR we have found DE genes beween two categorical groups .
Now the group has 3 levels, we want to see if there is a trend for these DE analysis. How to do it?
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Gordon Smyth

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01-28-2015, 01:26 PM

Just put the numerical levels into a column of the design matrix:

x <- numerical values
design <- model.matrix(~x)

Then do DE analysis for this coefficient.
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