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Roe and Metz (RM) proposed a model for simulating multireader multicase (MRMC) data collected from a factorial study design in which readers read the same cases in all modalities. However, a major weakness of the RM model is that it generates data according to an equal-variance binormal model for each reader. This article extends the RM model by allowing the diseased and nondiseased decision-variable...
The partial area under the receiver operating characteristic (ROC) curve (pAUC) is a useful summary measure for diagnostic studies. Unlike most summary measures that are functions of the ROC curve, researchers have not been aware of an analytic expression available for computing the pAUC for an ROC curve based on a latent binormal model. Instead, the pAUC has been computed using numerical integration...
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