Record added by Jurg Ott (the original Rockefeller list)
PEER is a collection of Bayesian approaches to infer hidden determinants and their effects from gene expression profiles using factor analysis methods. It can be used to detect eQTL.
http://www.sanger.ac.uk/resources/software/peer/
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Stegle, Parts, Durbin, Winn (2010), “A Bayesian framework to account for complex non-genetic factors in gene expression levels greatly increases power in eQTL studies”, PLoS Computational Biology, 6:e1000770.