On the definition of a concentration function relevant to the ROC curve

01/03/2020

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by   Mauro Gasparini, et al.

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This is a reader's reaction to a recent paper by E. Schechtman and G. Schechtman (Metron, 2019) about the correct definition of a concentration function for the diagnostic, i.e. supervised classification, problem. We propose and motivate a different definition and refer to the relevant literature.