Table 2

Partition model’s performance using % predicted change in FEV1

MeasureTrainingValidationDefinition
Entropy R20.7150.715Embedded Image
Generalized R20.9340.934Embedded Image
Mean −log p0.4460.445Embedded Image
RASE0.3810.382Embedded Image
Mean Abs Dev0.2680.268Embedded Image
Misclassification rate0.200.21Embedded Image
N17 5437, 4, 68n
  • FEV1, forced expiratory volume in 1 s; Mean Abs Dev, mean absolute deviance; RASE, square root of the mean squared prediction error.