Mathematical Problems in Engineering / 2014 / Article / Tab 5

Research Article

An Empirical Study of Parameter Estimation for Stated Preference Experimental Design

Table 5

The MNL model results based on the different experimental design methods.

VariablesOrthogonalD-efficientBayesian D-efficient
Parameter ()Standard deviation (σ)Parameter ()Standard deviation (σ)Parameter ()Standard deviation (σ)

Cost−0.033 0.0067−0.0180.0063−0.0230.0062
(−4.870)(−2.882)(−3.788)
Arrival time−0.102 0.0063−0.0960.0060−0.0960.0058
(−16.012)(−16.07)(−16.376)
Waiting time−0.044 0.0297−0.0030.0297−0.0140.0281
(−1.480)(−0.120)(−0.498)
In-vehicle time−0.032 0.0031−0.0310.0028−0.0130.0022
(−10.580)(−11.004)(−5.884)
Off-vehicle time−0.001 0.0306−0.0040.0296−0.0180.0280
(−0.031)(−0.168)(−0.673)
Number of observance128012801280
LL (φ)−1354.658−1302.555−1294.455
ρ 20.1400.1450.189