北京市出租车运量分布的时空格局及生成机制
施念邡, 杨星斗, 戴特奇

The spatiotemporal pattern of taxi ridership and its generation mechanism in Beijing
SHI Nianfang, YANG Xingdou, DAI Teqi
图7 北京市五环内商业设施POI密度关于出租车上车点密度的系数分布
Fig. 7 Spatial distribution for the coefficients of commercial POIs density with respect to taxi pick-ups within the 5th Ring Road in Beijing