| http://www.w3.org/ns/prov#value | - Receiver operating characteristic (ROC) curves are a well-accepted measure of accuracy of diagnostic tests that yield continuous or ordinal results. 1 2 Based on the notion of using a threshold to classify subjects as positive (diseased) or negative (nondiseased), an ROC curve is a plot of the true-positive rate (TPR) versus the false-positive rate (FPR) for all possible cutpoints.
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