Model type | Simulated equations | Determination coefficient (R2) | Root mean square error (RMSE) | Slope |
NDVI | y = 2.11 + 7.25x | 0.77** | 1.60 | 2.11 |
DVI | y = 2.11 + 74.74x | 0.69** | 1.59 | 2.11 |
RVI | y = −7.06 + 9.19x | 0.76** | 0.63 | −7.06 |
SMLR | y = 2.00 + 11.11NDVI (R440, R470) − 0.39NDVI (R650, R2060) + 20.07DVI (R430, R460) | 0.78** | 2.04 | 2.00 |
BP | 0.86** | 0.05 |