Table 4. Result of statistical analysis for estimated root location.

Actual soil depth(m)	0.2	0.5	0.8
Estimated soil depth mean(m)	0.225 0.038	0.534 0.037	0.822 0.041
Mean Absolute Error(m)	0.035	0.042	0.037
Root mean squared Error(m)	0.044	0.050	0.045
Standard Deviation(m)	0.038	0.037	0.041
Standard Error	0.007	0.008	0.008