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 message may contain confidential information. If you are not the designated recipient, please notify the sender immediately, and delete the original and any copies. Any use of the message by you is prohibited. _______________________________________________ Bioc-sig-sequencing mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/bioc-sig-sequencing
