Analysis of Driver Decisions at the Onset of Yellow at Signalized Intersections
Table 7
Parameter estimation results for models.
Parameter
Binary logit model without new indicators
Binary logit model with new indicators
Latent class logit model
Class I
Class II
Constant
0.460 (0.651)
−2.504 (1.214)
1.498 (2.419)
2.695 (2.755)
Gender
0.306 (0.147)
0.388 (0.151)
2.038 (0.551)
−1.303 (0.325)
2nd_drive
−0.233 (0.177)
−0.252 (0.178)
0.002 (0.355)
−0.709 (0.334)
3rd_drive
−0.465 (0.180)
−0.474 (0.181)
−0.142 (0.362)
−0.996 (0.349)
Time_Baseline
−0.316 (0.196)
−0.328 (0.198)
−2.395 (0.688)
1.578 (0.424)
Time_Income
−0.353 (0.198)
-0.367 (0.199)
−2.493 (0.719)
1.560 (0.430)
Time_Outgo
−0.340 (0.198)
−0.353 (0.199)
−2.468 (0.705)
1.594 (0.433)
Age
0.460 (0.161)
0.553 (0.165)
−3.889 (1.480)
0
DrR_Index
—
5.144 (1.837)
−10.479 (8.695)
0
Ddr_Index
—
−0.630 (0.597)
−11.513 (3.486)
0
Constant_Class
—
—
10.186 (6.019)
0
Class probabilities
—
—
0.533 (0.403)
0.467 (0.403)
Log likelihood
−530.06
−525.50
−478.17
McFadden R-squared
0.020
0.028
0.105
AIC
1076.1
1071.0
996.3
Tabular values indicate parameter estimates (standard errors) for each model. The symbols ,, and mean statistical significance at α = 0.01, 0.05, 0.1, respectively.