Intelligent Prediction of Transmission Line Project Cost Based on Least Squares Support Vector Machine Optimized by Particle Swarm Optimization

Table 4

Original data of transmission line project cost.

Sample	X1	X2	X3	X4	X5	X6	X7	X8	X9	X10	X11	X12	X13	X14	X15	Unit length cost; (10kUSD/km)
1	0.98	3.98	6.56	20.48	184.98	2.27	0.18	3.15	4.22	57.72	12.78	0.87	1.23	0.60	0.43	6.94
2	1.00	4.53	5.28	11.30	240.00	3.02	0.45	1.77	10.11	153.11	21.75	1.77	1.32	0.67	0.25	8.26
3	1.53	3.85	4.48	22.18	239.98	2.78	0.39	1.51	9.15	119.54	22.74	2.12	1.30	0.66	0.45	5.42
4	1.00	4.00	4.46	13.29	240.00	2.94	0.27	2.26	21.55	108.33	41.44	1.82	1.20	0.61	0.28	8.80
5	1.00	2.00	4.50	20.00	240.00	2.90	0.23	2.35	8.07	81.24	30.52	0.71	1.32	0.58	0.56	10.59
6	1.00	2.56	4.73	8.79	240.00	3.01	0.38	1.82	6.99	64.85	16.77	1.23	1.29	0.62	0.11	5.54
7	1.00	4.34	3.81	21.76	240.00	2.94	0.45	1.93	7.44	161.12	33.39	2.00	1.29	0.65	0.37	6.50
8	1.50	3.55	7.00	71.72	185.00	2.30	0.19	3.37	3.92	60.96	13.09	0.72	1.25	0.62	0.32	6.34
…	…	…	…	…	…	…	…	…	…	…	…	…	……	…	…	…
78	0.98	2.83	7.98	27.95	239.98	2.88	0.14	2.84	4.76	51.78	12.21	0.51	1.28	0.60	0.31	5.19