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Table 3 Evaluation statistics for predicting aboveground biomass from ALOS PALSAR and climate variables, using corrected and uncorrected NFI plot data

From: Improving aboveground biomass maps of tropical dry forests by integrating LiDAR, ALOS PALSAR, climate and field data

Data NFI plots R2 RMSE %RMSE Bias SD of error
 Calibration (n = 152)  Uncorrected 0.17 44.7 48.1 − 0.3 44.3
 Corrected by small trees 0.18 41.1 37.4 0.5 44.9
 Corrected by age 0.19 44.8 43.7 0.2 41.2
 Corrected by age and small trees 0.18 42.0 35.4 0.2 42.2
 Validation (n = 66)  Uncorrected 0.10 41.3 45.0 5.6 40.8
 Corrected by small trees 0.13 40.1 36.6 4.5 39.8
 Corrected by age 0.10 39.5 38.8 4.2 39.2
 Corrected by age and small trees 0.13 38.9 32.8 4.9 38.6
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