Prediction of Soil Moisture-Holding Capacity with Support Vector Machines in Dry Subhumid Tropics

Table 2

Descriptive statistics of training and testing datasets.

	Min	Max	Mean	SD	Skewness	Kurtosis
Training
BD	1.00	1.19	1.06	0.04	1.17	1.40
OC	0.06	3.23	0.80	0.58	1.63	3.30
Clay	0.10	63.60	22.19	16.64	0.64	−0.53
Sand	20.00	96.60	64.90	16.41	−0.52	−0.35
Silt	1.40	35.40	12.90	4.89	0.87	2.75
θ30	0.08	0.48	0.23	0.07	0.52	0.23
θ1500	0.03	0.38	0.18	0.07	0.31	−0.13
Testing
BD	1.00	1.16	1.05	0.03	0.97	0.88
OC	0.10	3.37	0.82	0.64	1.69	3.42
Clay	0.10	61.00	22.26	15.78	0.55	−0.64
Sand	25.60	94.60	64.67	15.97	−0.31	−0.61
Silt	2.80	24.40	13.08	5.29	0.10	−0.71
θ30	0.09	0.41	0.23	0.07	0.02	−0.46
θ1500	0.05	0.39	0.19	0.07	0.05	−0.26