Dear Kristen,Can you send me an example data set? Otherwise I can't reproduce the error you see.
Best wishes Gordon On Fri, 7 Jan 2011, [email protected] wrote:
Dear Gordon, For me, it was not the case, and my design matrix is full rank (using edgeR v 2.0.3):design = model.matrix(~factor_a+factor_b, data = targets) library(limma) is.fullrank(design)[1] TRUE Best, Kristen
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