基于灰色关联模型对江苏省PM2.5浓度影响因素的分析

贺祥, 林振山, 刘会玉, 齐相贞

Analysis of the driving factors of PM2.5 in Jiangsu province based on grey correlation model

Xiang HE, Zhenshan LIN, Huiyu LIU, Xiangzhen QI

表5 江苏省PM2.5浓度与影响指标因子间的关联度

Tab. 5 Grey correlation degree between PM2.5 and the index of influencing factors in Jiangsu province

指标因子 X1 X2 X3 X4 X5 X6 X7 X8 X9 关联度(R) 0.7593 0.6334 0.6746 0.6786 0.7435 0.7076 0.6106 0.6506 0.6004 指标因子 X10 X11 X12 X13 X14 X15 X16 X17 X18 关联度(R) 0.6136 0.6645 0.5921 0.7435 0.6640 0.6554 0.6224 0.6363 0.6619 指标因子 X19 X20 X21 X22 X23 X24 X25 X26 X27 关联度(R) 0.5422 0.5546 0.6649 0.6534 0.6750 0.5967 0.6745 0.6543 0.6967