Table 5.

Classifier classification performance evaluation index.

Evaluation indicators	Formula
Accuracy	$\frac{\text{TP}+\text{TN}}{\text{TP}+\text{TN}+\text{FP}+\text{FN}}$
Precision	$\frac{\text{TP}}{\text{TP}+\text{FP}}$
F1-score	$2\times \frac{P\times R}{P+R}$
Recall	$\frac{\text{TP}}{\text{TP}+\text{FN}}$