Optimizing the Prediction Accuracy of Friction Capacity of Driven Piles in Cohesive Soil Using a Novel Self-Tuning Least Squares Support Vector Machine

Table 5

Obtained predicted results by ST-LSSVM for testing data.

L (m)	D (cm)	(kPa)	Su (kPa)	fs (kPa)	Predicted fs (kPa)
8	13.5	27	9	9	11.11
9.4	29.3	52	29	18	23.08
14.6	16	67	29	16	21.96
11.6	17.5	57	27	18	21.28
9.6	19.2	42	15	13	15.30
21.6	45.7	147	31	28.8	37.22
36.9	30.6	149.6	28.2	30.5	27.39
66.4	32.5	223	60	31.2	27.43
11.6	11.4	44	21	13.4	16.86
22.9	32.5	91	52	27	30.92
13.8	19	21	21	13	13.78
25.3	27.4	244	185	88.8	93.59
14.9	52.8	66	53	27.6	32.57
18.3	32.5	51	33	32	20.83
48.2	61	152	64	37.8	31.93
32	21.4	141	115	59.8	49.98
13.4	27	81	22	20	22.76
24.2	15	147	19	30	25.42
15.5	17.5	80	72	35	40.60
12.8	32.5	110	96	54.7	56.55