Soil-Landscape Modeling and Remote Sensing to Provide Spatial Representation of Soil Attributes for an Ethiopian Watershed

Table 7

Percent of correctly predicted observations within ±50 cm of the observed soil depth, RMSEs, and MAEEs calculated using different field observation densities.

Number of observations used	Percent of correctly; predicted observations; within ±50 cm	RMSE (cm)	MAEE (cm)
180	97.5	26.4	21.7
150	95	29.7	25.5
120	92.5	31.4	26.5
90	87.5	31.7	26.5
60	87.5	33.7	29.4
40	72.5	40.9	31.3
30	67.5	54.3	42.5
25	65	57.5	46.4
20	35	126.0	88.2