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 usedPercent of correctly
predicted observations
within ±50 cm
RMSE (cm)MAEE (cm)

18097.526.421.7
1509529.725.5
12092.531.426.5
9087.531.726.5
6087.533.729.4
4072.540.931.3
3067.554.342.5
256557.546.4
2035126.088.2