Table 6 Statistics for full mixed-effects models (best in boldface, worst in italics )
Modelling and simulation approach | ||||
|---|---|---|---|---|
Regression 1 | Regression 2 | Regression 2 | Optimization | |
1-year step | 1-year step | true step | 1-year step | |
Basal area | ||||
- bias (m2 · ha–1) | –1.09 | 1.43 | 1.10 | –0.25 |
- RMSE (m2 · ha–1) | 4.28 | 3.99 | 4.20 | 2.27 |
Number of trees per hectare | ||||
- bias | –27.07 | –53.19 | 38.88 | –0.42 |
- RMSE | 100.23 | 137.98 | 128.16 | 35.19 |
Annual basal area increment | ||||
- bias (m2 · ha–1) | –0.297 | 0.709 | 0.151 | 0.005 |
- bias (%) | 22.16 | 52.91 | 11.27 | 0.37 |
- RMSE (m2 · ha–1) | 0.942 | 1.345 | 0.890 | 0.729 |