Comparison of Three Supervised Learning Methods for Digital Soil Mapping: Application to a Complex Terrain in the Ecuadorian Andes
Figure 7
Spatial distribution of residuals in % of the maximum absolute residual value (red = negative values, green = positive values, top) and Moran’s (bottom). Models from gradient boosting for ((a) + (d)) sand content, ((b) + (e)) silt content, and ((c) + (f)) clay content.
