变量 |
平均值 |
最大值 |
最小值 |
标准差 |
方差 |
偏度 |
峰度 |
EI |
2.565 |
10.97 |
0.57 |
1.815 |
3.292 |
1.680 |
6.137 |
LnAGDP |
8.302 |
10.399 |
6.697 |
0.737 |
0.543 |
0.312 |
2.537 |
Secondary |
0.436 |
0.67 |
0.2 |
0.079 |
0.006 |
-0.410 |
3.236 |
Tertiary |
0.375 |
0.69 |
0.22 |
0.067 |
0.005 |
1.768 |
9.129 |
Coal |
0.653 |
0.97 |
0.12 |
0.182 |
0.033 |
-0.689 |
3.205 |
Urban |
0.396 |
0.89 |
0.15 |
0.180 |
0.032 |
0.895 |
3.089 |
FDI |
0.034 |
0.243 |
0 |
0.037 |
0.001 |
2.196 |
9.022 |
Price |
0.079 |
0.739 |
−0.086 |
0.099 |
0.010 |
1.726 |
8.621 |
Lnpatent |
7.229 |
11.035 |
3.219 |
1.396 |
1.949 |
−0.079 |
3.127 |
Lnpatent2 |
54.201 |
20.226 |
121.780 |
1.396 |
409.09 |
0.530 |
3.437 |
PriceLnpatent |
0.575 |
5.308 |
−0.798 |
0.723 |
0.522 |
1.700 |
8.600 |