Research Article

Understanding Visitors’ Responses to Intelligent Transportation System in a Tourist City with a Mixed Ranked Logit Model

Table 5

Estimated coefficients in Mixed Ranked Logit Model.

VariablesDistribution hypothesisFIT by PTFIT by IV
Estimated parameter Estimated coefficient
(Std. error)
Estimated parameter Estimated coefficient
(Std. error)
  
(Std. error)
  
(Std. error)
  
(Std. error)
  
(Std. error)

In-vehicle travel timeConstant−0.0514(0.0058)−0.0690(0.0064)
Uncertainty in in-vehicle travel time (covariate )Constant−0.0765(0.0126)−0.1671(0.0169)
Vacant parking spaceConstant0.2534
(0.1566)
Uncertainty in vacant parking spaceConstant0.2037
(0.1755)
Parking feeConstant−0.0225
(0.0058)
Vacant seats on busConstant0.1171
(0.1228)
0.5094
(0.1271)
Uncertainty in vacant seats on busConstant0.0401
(0.1246)
0.1565
(0.1372)
Vacant bicyclesConstant0.6075
(0.1212)
Uncertainty in vacant bicyclesConstant−0.2957
(0.1425)
Waiting time for busConstant−0.0346
(0.0140)
−0.0305
(0.0157)
Waiting time for taxiConstant−0.0364
(0.0179)

Uncertainty in waiting time for busLognormal−0.5963
(0.3567)
0.6236
(0.4214)
−0.6700[0.4644]−0.9289
(0.6657)
0.7121
(0.5176)
−0.5084[0.4157]
Uncertainty in waiting time for taxiLognormal−0.5662
(0.5193)
0.7308
(0.3983)
−0.7688[0.6484]

WalkingNormal5.6425
(0.3369)
1.7960
(0.1551)
5.6425[1.7960]4.8023
(0.5471)
2.2538 (0.2157)4.8023[2.2538]
BicyclingNormal3.8593
(0.3684)
1.3643
(0.1138)
3.8593[1.3643]3.8529
(0.4123)
1.8593
(0.1696)
3.8529[1.8593]
BusNormal5.3887
(0.3925)
1.0621
(0.1236)
5.3887[1.0621]3.2231
(0.4064)
0.9798
(0.1440)
3.2231[0.9798]
TaxiNormal3.0769
(0.3805)
1.5384
(0.1371)
3.0769[1.5384]2.9592
(0.4003)
1.5093
(0.1227)
2.9592[1.5093]
CarNormal4.8422
(0.4809)
2.1400
(0.1751)
4.8422[2.1400]

Estimated coefficients of public variables for each transport mode are shown in Table 7

Summary statisticsMRLM of FIT by PTMRLM of FIT by IV
Number of observations ()14522820
Likelihood ratio index 0.35650.3118
SLL at convergence −1538.64−3548.04

; ; ; estimated coefficient of covariate ; the estimated coefficient is the mean of the lognormal distribution, which is calculated by , and the value in the bracket is the standard deviation, which is calculated by ; the estimated coefficient is the same as , and the estimated standard deviation in the bracket is the same as .