Table 4 Coefficients of fixed-effects diameter increment models
| Predictor | Modelling approach | ||
|---|---|---|---|
| Regression 1 | Regression 2 | Optimization | |
| Constant | –6.14591 | –5.61685 | 0.88882 |
| ln(d) | 3.41191 | 2.31925 | 1.15958 |
| d | –0.15408 | –0.05023 | –0.08060 |
| BAL | –0.01522 | –0.00569 | –0.04803 |
| √G | –0.09034 | –0.01232 | –0.34133 |
| Step | – | 0.07507 | – |