基于因子分析的输电线路造价的影响因素研究
刘琰,耿庆申,王宁宁,刘巍,尹彦涛

Study of the Factors Influencing of the Transmission Line Cost Based on Factor Analysis
Yan Liu,Qingshen Geng,Ningning Wang,Wei Liu,Yantao Yin
表4 220kV输电线路工程特征根与方差贡献率
Tab.4 Characteristic root and variance contribution rate of 220kV engineering
因子序号 初始特征值 旋转后的因子提取结果
特征值 方差贡献率 累计方差贡献率 特征值 方差贡献率 累计方差贡献率
1 3.074 43.917 43.917 2.871 41.008 41.008
2 1.657 23.664 67.581 1.667 23.821 64.830
3 1.294 18.484 86.065 1.486 21.236 86.065
4 0.564 8.063 94.128
5 0.264 3.773 97.901
6 0.117 1.667 99.569
7 0.030 0.431 100.000