Soil Parameters Model Prediction via Resistivity Value Limit to Shallow Subsurface Areas

Table 3

Analysis of soil parameters using the ANOVA test.

Parameters	Model	DF	Sum of squares	Mean square	F value	Prob > F
Moisture content,	Regression	2	190103.21	95051.60	487.40	1.86E − 39
	Residual	64	12481.16	195.02
	Uncorrected total	66	202584.36
	Corrected total	65	104217.66
Clay content	Regression	2	41876.66	20938.33	113.94	8.15E − 22
	Residual	64	11760.85	183.76
	Uncorrected total	66	53637.51
	Corrected total	65	19911.53
Plasticity index, PI	Regression	2	24835.31	12417.66	64.58	4.45E − 16
	Residual	64	12305.48	192.27
	Uncorrected total	66	37140.79
	Corrected total	65	12364.62
Friction angle, ϕ	Regression	2	23716.89	11858.45	227.44	1.41E − 24
	Residual	46	2398.34	52.14
	Uncorrected total	48	26115.23
	Corrected total	47	3111.47
Bulk density,	Regression	2	183.67	91.83	999.76	1.89E − 48
	Residual	63	5.79	0.09
	Uncorrected total	65	189.46
	Corrected total	64	8.30
Porosity, n	Regression	2	184928.47	92464.24	778.11	1.23E − 45
	Residual	64	7605.22	118.83
	Uncorrected total	66	192533.69
	Corrected total	65	17755.98