Table 2 Regression coefficients of prediction models trained with different sets of data.
Training data | Area | Height | NDRE | NGRDI |
|---|---|---|---|---|
Full | 0.66 | 0.07 | 0.04 | 0.15 |
May and July | 0.72 | 0.06 | 0.05 | 0.20 |
May and September | 0.66 | 0.02 | 0.05 | 0.13 |
July and September | 0.57 | 0.14 | 0.04 | 0.14 |
Rep 1 and 2 | 0.71 | 0.07 | 0.07 | 0.17 |
Rep 1 and 3 | 0.66 | 0.06 | 0.03 | 0.13 |
Rep 2 and 3 | 0.60 | 0.07 | 0.03 | 0.16 |
Cross-validation (± SD) | 0.66 ± 0.01 | 0.07 ± 0.01 | 0.04 ± 0.01 | 0.15 ± 0.01 |
