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

Table 10

The error of weighted summation.

	1	2	3	4	5	6	7
The actual value	293.48	266.96	269.11	257.21	274.55	257.18	362.52
Predicted values	285.74	273.52	267.07	250.79	271.95	253.63	368.69
Error	−2.64%	2.46%	−0.76%	−2.50%	−0.95%	−1.38%	1.70%