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Results of random forest (RF) model validation in test cases.
| Prediction | ||||
|---|---|---|---|---|
| Rec (+) | Rec (−) | Total | ||
| (a) Trainig set result | ||||
| Accuracy: 100% | ||||
| Truth | Rec (+) | 328 | 0 | 328 |
| Rec (−) | 0 | 370 | 370 | |
| Total | 328 | 370 | 698 | |
| (b) Test set prediction result (ROI based) | ||||
| Accuracy: 74.9% | ||||
| Truth | Rec (+) | 66 | 16 | 82 |
| Rec (−) | 29 | 68 | 97 | |
| Total | 95 | 84 | 179 | |
| (c) Test set prediction result (case based) | ||||
| Accuracy: 86.7% | ||||
| Truth | Rec (+) | 12 | 0 | 12 |
| Rec (−) | 4 | 14 | 18 | |
| Total | 16 | 14 | 30 | |
Rec recurrence within 2-years, ROI region of interest.
