Table 4 The performance validation of VCT-SA and VCT-RF in three plantations
Models | Plantations | COR | RMSE (year) | MEF | BIAS (year) | Equation |
|---|---|---|---|---|---|---|
VCT-SA | Pine | 0.84 | 6.84 | 0.15 | − 0.20 | y = 0.57x + 4.69 |
Chinese fir | 0.86 | 6.40 | 0.56 | − 0.09 | y = 0.60x + 5.01 | |
Oak | 0.80 | 5.95 | 0.54 | − 0.04 | y = 0.54x + 5.72 | |
VCT-RF | Pine | 0.74 | 5.55 | 0.53 | 0.08 | y = 0.47x + 13.28 |
Chinese fir | 0.69 | 4.84 | 0.45 | 0.02 | y = 0.35x + 16.97 | |
Oak | 0.66 | 4.95 | 0.42 | 0.16 | y = 0.38x + 15.35 |