中国人口省际流动重力模型的参数标定与误差估算

赵梓渝,魏冶,杨冉,王士君,朱宇

Gravity model coefficient calibration and error estimation: Based on Chinese interprovincial population flow

ZHAO Ziyu,WEI Ye,YANG Ran,WANG Shijun,ZHU Yu

图5 2015年春运期间中国分市人口流动距离衰减系数空间差异

Fig. 5 The population flow distance parameter β during the Spring Festival travel rush in 2015