搜广推校招面经四精确率(Precision): Precision = T P T P + F P \text{Precision} = \frac{TP}{TP + FP} Precision=TP+FPTP 召回率(Recall): Recall = T P T P + F N \text{Recall} = \frac{TP}{TP + FN} Recall=TP+FNTP F1分数(F1-Score): F1-Score = 2 × Precision × Recall Precision + Recall \t