Prediction Technology of Power Transmission and Transformation Project Cost Based on the Decomposition-Integration

Table 11

Error analysis of the models.

	1	2	3	4	5	6	7
Decomposition-integration model	−2.64%	2.46%	−0.76%	−2.50%	−0.95%	−1.38%	1.70%
BP network	8.42%	−7.52%	7.15%	11.63%	−7.61%	5.38%	12.72%
PSO-SVM	4.72%	8.02%	−3.72%	7.27%	7.07%	−2.92%	8.61%