Table 4 Confusion matrix of the classification performance in the external validation data set
Prediction | ||||
|---|---|---|---|---|
Saw-tooth pattern | No saw-tooth pattern | Total | ||
Actual | Saw-tooth pattern | 95.1% 58 / 61 | 4.9% 3 / 61 | 100% 61 |
No saw-tooth pattern | 3.3% 27 | 96.7% 791 / 818 | 100% 818 | |
Total | 85 | 794 | 879 | |