Table 2 Model fit in complete sample and in cross-validation
From: Predictors of length of stay in psychiatry: analyses of electronic medical records
R2 (%) | Root-Mean-Square-Error | |
|---|---|---|
Complete sample | 21.95 | 36.08 |
n = 738 | (16.26–27.95) | (33.43–39.43) |
Estimation sample (in-sample) | 27.80 | 32.89 |
n = 365 | (20.95–35.52) | (29.94–38.03) |
Validation sample (out-of-sample) | 13.59 | 40.14 |
n = 373 | (7.04–21.6) | (36.05–45.55) |