研究文章
Random-Parameter多元负二项回归建模的影响因素在事故频率崩溃类型
|
| 变量1 |
不。2 |
在尾端的估计(t统计) |
Bumping-guardrail估计(t统计) |
其他的估计(t统计) |
Noncasualty估计(t统计) |
伤亡估计(t统计) |
|
| 常数 |
5 |
0.177 (1.41) |
0.515 (3.27) |
−0.460 (−2.31) |
0.228 (2.51) |
−0.348 (−1.07) |
|
| 交通特征 |
| 交换 |
3 |
- - - - - -3 |
- - - - - - |
−0.3482 (−3.01) |
−0.088 (−1.93) |
−0.529 (−2.54) |
| 黑色的斑点 |
5 |
1.020 (16.68) |
0.859 (10.40) |
1.227 (10.68) |
1.083 (23.20) |
1.316 (6.10) |
| AADT |
5 |
0.0000236 (10.04) |
0.00000909 (3.03) |
0.000011 (2.77) |
0.0000312 (18.14) |
−0.000014 (0.047) |
|
| 速度特性 |
|
|
5 |
−0.0134 (−5.96) |
−0.00807 (−2.81) |
−0.0144 (−3.73) |
−0.0181 (−10.98) |
−0.0154 (−2.05) |
|
|
5 |
0.0119 (5.27) |
0.00829 (2.85) |
0.0112 (2.80) |
0.0124 (7.53) |
0.0219 (2.70) |
|
|
2 |
0.0209 (4.86) |
- - - - - - |
- - - - - - |
0.0285 (8.90) |
- - - - - - |
|
|
4 |
−0.0196 (−6.81) |
−0.00939 (−2.54) |
−0.0190 (−3.90) |
−0.0234 (−11.05) |
- - - - - - |
|
| 几何特征 |
|
|
2 |
0.000000154 (2.54) |
- - - - - - |
- - - - - - |
0.000000148 (3.36) |
- - - - - - |
|
|
3 |
- - - - - - |
- - - - - - |
- - - - - - |
0.0000506 (1.94) |
0.000272 (2.62) |
|
|
2 |
0.000000410 (6.12) |
- - - - - - |
- - - - - - |
0.000000375 (7.71) |
- - - - - - |
|
|
5 |
0.000567 (15.62) |
0.000460 (9.02) |
0.000659 (10.59) |
0.000630 (24.12) |
0.00075 (7.16) |
|
|
1 |
- - - - - - |
−0.000131 (−2.71) |
- - - - - - |
- - - - - - |
- - - - - - |
|
|
1 |
- - - - - - |
- - - - - - |
- - - - - - |
−0.108 (−2.44) |
- - - - - - |
|
|
4 |
−0.0003483 (−3.67) |
- - - - - - |
−0.0004866 (−2.91) |
−0.000437 (−6.18) |
−0.000644 (−2.12) |
|
| 视觉特征 |
|
|
5 |
−0.00644 (−4.78) |
−0.00641 (−3.35) |
−0.0118 (−4.28) |
−0.00847 (−8.14) |
−0.0142 (−3.03) |
|
|
4 |
−0.104 (−3.93) |
−0.106 (−3.06) |
−0.110 (−2.37) |
−0.1232 (−6.11) |
- - - - - - |
|
|
参数:总数61;对数似:−16595.848;AIC: 33441.697;BIC: 33934.501;
:50507.432。
|
