Table 2
Partition model’s performance using % predicted change in FEV1
| Measure | Training | Validation | Definition |
| Entropy R2 | 0.715 | 0.715 |  |
| Generalized R2 | 0.934 | 0.934 |  |
| Mean −log p | 0.446 | 0.445 |  |
| RASE | 0.381 | 0.382 |  |
| Mean Abs Dev | 0.268 | 0.268 |  |
| Misclassification rate | 0.20 | 0.21 |  |
| N | 17 543 | 7, 4, 68 | n |
FEV1, forced expiratory volume in 1 s; Mean Abs Dev, mean absolute deviance; RASE, square root of the mean squared prediction error.