ProbabilisticModel 혹은 예측모듈, Computational methods가 제대로 동작하는가를 평가하는것.

Four classes

See also Type_I_and_type_II_errors

$$ Sensitivity = \frac{TP}{TP + FN} $$

$$ Specificity = \frac{TN}{TN + FP} $$

Receiver-operator characteristic: TP vs. FP

See also SignalDetectionTheory

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