V-shaped ecosystem model performance, Nandi district | |||
---|---|---|---|
Event | Epidemic positive | Epidemic negative | Total |
Model positive | True positive (TP) | False positive | 7 |
6 | 1 | ||
Model negative | False negative (FN) | True negative (TN) | 111 |
2 | 109 | ||
Total | 8 | 110 | 118 |
Sensitivity | TP/(TP + FN) | 0.75 | |
Specificity | TN/(TN + FP) | 0.99 | |
Positive predictive power | TP/(TP + FP) | 0.86 |