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. 2014 Nov 18;4:7097. doi: 10.1038/srep07097

Figure 1. PanMiRa model schema.

Figure 1

(a) Suppose target RNA expression (yi,t,d) in sample t of cancer type d is a function of DNA methylation (Inline graphic), copy number (Inline graphic) and miRNA regulation (Inline graphic). (b) The expression change across samples for the target RNA is modelled as the response variable in a multivariate linear regression framework using the input variables as indicted above. (c) The resulting linear coefficient Inline graphic indicate the corresponding interaction between miRNA k and target gene i of cancer type d and are transformed into z-scores, which are then subsequently subjected to local false discovery rate (locfdr) estimation18. (d) The joint posteriors for the recurrent interactions given the z-scores are inferred by empirical Bayes using the probabilistic quantities obtained from the locfdr procedure above.