Model Assessment - categorical model evaluation index

Reference: https://blog.csdn.net/Orange_Spotty_Cat/article/details/80520839

Confusion Matrix

Multi-classifier for determining the merits

• Accuracy, precision, recall, specificity
  

• F1 score
  $\mathrm{F} 1 \text { Score }=\frac{2 \mathrm{PR}}{\mathrm{P}+\mathrm{R}}$

ROC Curve

Reference: https://blog.csdn.net/Orange_Spotty_Cat/article/details/80499031

AUC