Estimation of Soil Cohesion Using Machine Learning Method: A Random Forest Approach

Table 1

Initial statistical analysis of the database.

Variable	Clay	Moisture content	Liquid limit	Plastic limit	Specific gravity	Void ratio	Soil cohesion
Role	Input	Input	Input	Input	Input	Input	Output
Symbol	Cl	Mc	LL	PL	δ	e	C
Unit	%	%	%	%	g/cm^3	—	kPa
Min	4.09	15.53	20.80	13.42	2.59	0.58	0.29
Median	18.73	40.67	47.35	25.35	2.68	1.25	8.33
Average	20.09	47.38	51.07	63.96	2.68	1.42	10.05
Max	47.96	115.41	154.12	63.96	2.75	3.25	30.39
SD	9.16	24.33	22.42	8.42	0.26	0.66	6.70
SK	0.69	0.88	2.09	1.72	−0.10	0.82	1.24

SD = standard deviation; SK = skewness.