試題詳解

30. Which of the following statements about ROC curve and AUC is INCORRECT?
(A) Usually, the y-axis is the true positive rate.
(B) AUC is used as an indicator of the quality of the model.
(C) The perfect prediction is at the ROC space coordinate (0, 1) point.
(D) If AUC=0.5, it means that the model is the same as random guessing, and has no predictive value.
(E) If AUC＜0.5 means that the model will not be better than random prediction in any way.