ROC curve analysis, ROC curve analysis to find the models that are most appropriate by the ROC curve is a plot of the values False positive rate (1-specificity) and the True value in X axis positive rate (Sensitivity) in the longitudinal axis of the False positive when Y and False negative cost has a value equal to positivity criterion set near the upper left corner of the graph, most so the test is approaching the upper left most or are most areas under the graph would be better able to ROC curve plot of cases and case 1.1 1.2 are as follows:
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