Estimating the Aboveground Biomass of an Evergreen Broadleaf Forest in Xuan Lien Nature Reserve, Thanh Hoa, Vietnam, Using SPOT-6 Data and the Random Forest Algorithm

Figure 5

The number of variables (x-axis) used vs. the RMSE (y-axis) of 10 RF models based on 100-times 10-fold cross-validation. The red line indicates the mean RMSE; the green and blue lines indicate the mean RMSE + SD (standard deviation) or the mean RMSE−SD, respectively.

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