Research Article
Evaluation and Formulation of Assessment Criteria for Dominant Distresses in Preventive Maintenance of Cement Concrete Pavements
Table 6
Description of evaluation metrics.
| Index | Calculation formula | Description |
| Accuracy (ACC) | | It refers to the ratio of the number of correctly classified cases | Precision (positive predictive value, PPV) | | It refers to the proportion of judging positives that are correctly identified | Recall (true-positive rate, TPR) | | It refers to the proportion of actual positives that are correctly identified | Specificity (true-negative rate, TNR) | | It refers to the proportion of actual negatives that are correctly identified | F1 score | | It is a tradeoff between precision and recall |
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