Table 2 Definitions of evaluation metrics
From: Predictive modeling for COVID-19 readmission risk using machine learning algorithms
Performance measures | Definitions |
|---|---|
Precision | TP/(TP + FP) |
Specificity/true negative rate (TNR) | TN/(TN + FP) |
Sensitivity/true positive rate (TPR) or Recall | TP/(TP + FN) |
Accuracy | (TP + TN)/(TP + TN + FP + FN) |
F-measure | (2 × Precision × Recall)/ (Precision + Recall) |