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Average π0 estimates under dependence when π0 = 0.8. The x-axis corresponds to the proportion of edges in the network and the y-axis corresponds to π0 estimates for various procedures. The π0 estimators and corresponding lines are SAM (solid black), Qvalue (dashed red), ABH (dotted green) and the convex estimator of Langaas et al [10] (dot-dashed).
