基于公路大数据的黔中城市群一体化研究
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龙奋杰,郑龙飞,石朗,陈子晏
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Regional integration of Qianzhong cities using highway big data
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Fen-jie LONG,Long-fei ZHENG,Lang SHI,Zi-yan CHEN
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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 |
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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 d 和 t 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 D 和 D1~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 | − |
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