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

Table 6

Equipment cost prediction error.

	1	2	3	4	5	6	7
The actual value	139.28	131.18	130.84	128.60	135.74	132.49	147.35
Predicted values	143.28	143.95	126.24	115.27	143.25	140.15	137.83
Error	2.88%	9.73%	−3.51%	−10.36%	5.53%	5.78%	−6.46%