Research Article
Improved ML-Based Technique for Credit Card Scoring in Internet Financial Risk Control
Table 2
Evaluation index of ML model.
| Evaluation index | Formula |
| Accuracy rate (AR) | (TP + TN)/(TP + TN + FN + FP) | Recall rate (Recall) | TP/(TP + FN) | Or TPR | — | FPR | FP/(FP + FN) | Precision rate | TP/(TP + FP) | F1 score | 2PR/(P + R) |
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