Table 3 Classification frequencies by model and confusion matrix
From: Data mining polycystic ovary morphology in electronic medical record ultrasound reports
| Rules-based classifier | |||||
|---|---|---|---|---|---|
| PCOM-absent | Unidentifiable | PCOM-present | |||
| Gradient boosted trees | PCOM-absent | 17,371 | 5 | 7 | 44.5% (17,383) |
| Unidentifiable | 0 | 12,311 | 111 | 31.8% (12,422) | |
| PCOM-present | 3 | 175 | 9110 | 23.8% (9288) | |
| 44.4% (17,374) | 32.0% (12,491) | 23.6% (9228) | Kappa: 0.9881 | ||