二值分类模型的评价指标主要有:
Precision, Recall, F-Score, ROC and AUC.
ROC (Receiver Operating Characteristic):
ROC曲线的横坐标为false positive rate (FPR),纵坐标为true positive rate(TPR).
点(0,1):FPR=0, TPR=1. -----> 完美分类器;