Table 2 Qualification index for the 8 best local equations for the 13 groups of species
| Equation | Qualification index (QI ij ) | QI total | % | |||
|---|---|---|---|---|---|---|
| R 2 | RMSE | Bias | BIC | |||
| Bates and Watts (1980) | 0 | 1 | 1 | 1 | 3 | 5.8 |
| Meyer (1940) | 0 | 1 | 0 | 3 | 4 | 7.7 |
| Stage (1975) | 1 | 3 | 0 | 4 | 8 | 15.4 |
| Logarithmic | 0 | 0 | 0 | 1 | 1 | 1.9 |
| Wykoff et al. (1982) | 1 | 1 | 1 | 2 | 5 | 9.6 |
| Bertalanffy-Richards | 6 | 4 | 4 | 1 | 15 | 28.8 |
| Hossfeld (1822) | 3 | 1 | 7 | 0 | 11 | 21.2 |
| Weibull (1951) | 2 | 2 | 0 | 1 | 5 | 9.6 |