Table 7 Estimated coefficients and statistical characteristics of GAM systems for the CR of larch, birch, and poplar
Species | CR | Estimate (SE) | EDF | ||
|---|---|---|---|---|---|
Intercept | S1·(⋅) | S2·(⋅) | S3·(⋅) | ||
Larch | CRE | 1.358 (0.005) | 4.182 | 3.853 | 8.427 |
CRS | 1.400 (0.005) | 5.938 | 3.679 | 8.219 | |
CRW | 1.340 (0.005) | 3.990 | 4.716 | ||
CRN | 1.339 (0.005) | 3.264 | 3.908 | 6.042 | |
Birch | CRE | 1.342 (0.008) | 6.149 | 3.886 | |
CRS | 1.410 (0.008) | 2.872 | 3.254 | ||
CRW | 1.278 (0.007) | 2.575 | 1.000 | ||
CRN | 1.271 (0.007) | 1.000 | 1.000 | ||
Poplar | CRE | 1.382 (0.016) | 3.808 | 7.389 | |
CRS | 1.550 (0.017) | 1.000 | |||
CRW | 1.466 (0.017) | 1.000 | 2.506 | ||
CRN | 1.435 (0.016) | 4.131 | 1.000 | 1.000 | |