基于路网数据和复杂图论的中国城市交通布局评价

寇世浩, 姚尧, 郑泓, 周剑锋, 张嘉琪, 任书良, 王瑞凡, 关庆锋

Delineating China's Urban Traffic Layout by Integrating Complex Graph Theory and Road Network Data

KOU Shihao, YAO Yao, ZHENG Hong, ZHOU Jianfeng, ZHANG Jiaqi, REN Shuliang, WANG Ruifan, GUAN Qingfeng

表1 基于路网指标的一、二线及新一线城市的K-means聚类中心结果

Tab. 1 Cluster center results of the K-means in in the first and second-tier and first-tier new cities based on road network indicators

类别 最值比R 首位度S 过阈值比T 走向顺序φ 路网密度δ 1 0.627 0.692 0.022 0.795 0.233 2 0.218 0.175 0.217 0.303 0.213 3 0.074 0.117 0.643 0.139 0.698 4 0.062 0.072 0.813 0.090 0.162