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“Out-of-bag” random forests error rates for classifications with age-matched samples from 20 women with IPAH, 11 women with NIPAH, and 10 female controls
| Actual | Predicted control | Predicted PAH | Predicted IPAH | Predicted NIPAH | Error |
|---|---|---|---|---|---|
| Control | 9 | 1 | 1 | 0 | 0.1 |
| PAH | 0 | 31 | 0 | ||
| IPAH | 0 | 19 | 1 | 0.17 | |
| NIPAH | 0 | 5 | 6 | 0.25 |
PAH: pulmonary arterial hypertension; IPAH: idiopathic PAH; NIPAH: nonidiopathic PAH.
