基于公路大数据的黔中城市群一体化研究
龙奋杰,郑龙飞,石朗,陈子晏

Regional integration of Qianzhong cities using highway big data
Fen-jie LONG,Long-fei ZHENG,Lang SHI,Zi-yan CHEN
表 5 一体化评估模型的稳健性检验结果
Tab.5 Robust checks of regional integration evaluation model
变量 D D1 D2 D3 D4 D5 D6 D7 D8 μi ηj AIC BIC R2
注:同表 4 注. 另外,本表未列出控制变量 dt 的系数;R2 为拟合优度;为防止共线性问题,反映整个城市群一体化程度的 DD1~D8 是分开估计的
总车辆
OLS
−3.098***
(0.254)
−1.423**
(0.547)
−0.761
(0.472)
0.418
(0.505)
0.562
(0.490)
−1.005*
(0.582)
−1.495***
(0.363)
−1.091**
(0.516)
−0.690***
(0.189)
Y Y 2 268 2 122 0.291
人流量
OLS
−2.996***
(0.255)
−1.312**
(0.537)
−0.615
(0.454)
0.590
(0.497)
0.650
(0.495)
−0.862
(0.569)
−1.373***
(0.369)
−1.022**
(0.498)
−0.724***
(0.189)
Y Y 2 074 2 128 0.289
货流量
OLS
−1.590***
(0.199)
−0.677*
(0.385)
−0.378
(0.598)
0.254
(0.799)
−0.060 2
(0.887)
−0.746***
(0.263)
−1.043**
(0.416)
−0.671**
(0.319)
−0.235
(0.391)
Y Y 1 784 1 839 0.178
货流量
零泊松
−0.496***
(0.089 8)
−0.292*
(0.158)
−0.054 4
(0.196)
0.206
(0.236)
0.070 8
(0.308)
−0.433*
(0.221)
−1.555***
(0.344)
−0.620**
(0.287)
−0.433*
(0.226)
Y Y 1 539 1 598
货流量
负二项
−0.728***
(0.099 1)
−0.318*
(0.168)
−0.193
(0.209)
0.174
(0.251)
0.043 8
(0.297)
−−0.450**
(0.225)
−1.525***
(0.316)
−0.552*
(0.294)
−0.322
(0.254)
Y Y 1 567 1 625
1+2 型车泊松 −0.440***
(0.043 2)
−0.169***
(0.060 2)
−0.098 8
(0.068 1)
0.073 2
(0.078 4)
0.132
(0.084 5)
−0.118**
(0.052 6)
−0.300***
(0.067 6)
−0.136
(0.083 3)
−0.161***
(0.054 8)
Y Y 2 189 2 244
4+5 型车零膨胀负二项 −0.718***
(0.070 1)
−0.236**
(0.095 6)
−0.095 1
(0.105)
0.205*
(0.124)
0.189
(0.145)
−0.289**
(0.122)
−0.645***
(0.148)
−0.317**
(0.145)
−0.275**
(0.122)
Y Y 1 952 2 024