Table 2 Assessment of the dominant/codominant tree height models for the Norway spruce in the Carpathian Mountains. The abbreviations are: Giurgiu Giurgiu–Draghiciu, Pars. Parsimonious, Var variance
From: Nonlinear parsimonious forest modeling assuming normal distribution of residuals
| Site index | Model | Bias (%) | MAE (%) | RMSE (%) | Correlation coefficient (%) | |||
|---|---|---|---|---|---|---|---|---|
| Mean | Var | Mean | Var | Mean | Var | |||
| 21.9 | Giurgiu | −2.1 | 84 | 12.9 | 84 | 8.7 | 84 | 91.7 |
| Bayesian | −2.0 | 82 | 13.3 | 82 | 8.8 | 83 | 91.4 | |
| Pars. 10 terms | −1.9 | 12 | 13.3 | 50 | 8.8 | 57 | 91.4 | |
| Pars. 30 terms | −2.0 | 12 | 13.3 | 50 | 8.8 | 57 | 91.4 | |
| 26.9 | Giurgiu | 0.01 | 95 | 6.1 | 95 | 7.3 | 95 | 97.4 |
| Bayesian | −0.05 | 94 | 6.3 | 94 | 7.7 | 94 | 97.1 | |
| Pars. 10 terms | −0.04 | −9.7 | 6.3 | 29 | 7.7 | 72 | 97.1 | |
| Pars. 30 terms | −0.04 | −9.7 | 6.3 | 29 | 7.7 | 72 | 97.1 | |
| 31.8 | Giurgiu | 3.4 | 96.3 | 4.8 | 96.3 | 5.6 | 96.3 | 98.1 |
| Bayesian | −0.5 | 95.3 | 5.1 | 95.3 | 6.0 | 95.3 | 97.7 | |
| Pars. 10 terms | −0.5 | −25.9 | 5.1 | 72.3 | 6.0 | 84.1 | 97.7 | |
| Pars. 30 terms | −0.5 | −25.9 | 5.1 | 72.3 | 6.0 | 84.1 | 97.7 | |
| 36.9 | Giurgiu | −0.08 | 96.8 | 4.3 | 96.8 | 5.2 | 96.8 | 98.3 |
| Bayesian | −0.5 | 94.9 | 4.9 | 94.9 | 6.1 | 94.9 | 97.4 | |
| Pars. 10 terms | −0.5 | −38.7 | 4.9 | 80.4 | 6.1 | 94.6 | 97.4 | |
| Pars. 30 terms | −0.5 | −38.7 | 4.9 | 80.4 | 6.1 | 94.6 | 97.4 | |