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A2 500kV输电线路工程特征根与方差贡献率

Tab.A2 Characteristic root and variance contribution rate of 500kV 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 4.035 57.640 57.640 3.372 48.170 48.170 2 1.527 21.815 79.455 2.190 31.286 79.455 3 0.662 9.451 88.906 4 0.558 7.966 96.873 5 0.164 2.346 99.218 6 0.043 0.609 99.828 7 0.012 0.172 100.000