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Table 2 Results of model calibrations
From: An activity-based system of models for student mobility simulation
Alternative | Variable | Parameters | RP model | SP model | RP/SP model | |||
|---|---|---|---|---|---|---|---|---|
Value estimated | t-Student | Value estimate | t-Student | Value estimated | t-Student | |||
CAR | TTime | β1 | −0.0138 | −2.07 | −0.0104 | −4.13 | −0.0104 | −2.68 |
TCost | β2 | −0.2190 | −1.35 | −0.6676 | −12.40 | −0.9296 | −11.35 | |
Income | β3 | 0.4772 | 7.66 | 0.1957 | 8.47 | 0.4032 | 11.92 | |
BUS | TTime | β1 | −0.0138 | −2.07 | −0.0104 | −4.13 | −0.0104 | −2.68 |
TCost | β2 | −0.2190 | −1.35 | −0.6676 | −12.40 | −0.9296 | −11.35 | |
Sex | β4 | 0.9954 | 4.98 | −0.0338 | 0.46 | 0.3287 | 2.97 | |
OutSide | β5 | 1.678 | 9.08 | 0.4809 | 7.24 | 1.1870 | 11.69 | |
FreqBus | β6 | – | – | 1.057 | 15.5 | 1.9410 | 17.58 | |
V.O.T. (€/h) | 3.78 | 0.94 | 0.67 | |||||
θ | – | – | 0.52 | |||||
LogL(β) | −333.81 | −2,360.82 | −2,862.16 | |||||
LogL(0) | −415.19 | −2,689.41 | −3,264.03 | |||||
LR | 162.77 (χ2 = 11.070) | 657.19 (χ2 = 12.592) | 803.74 (χ2 = 12.592) | |||||
\( {\overline \rho^2} \) | 0.1839 | 0.1199 | 0.1212 | |||||
%RIGHT | 70.78% (424/599) | 65.46% (2,540/3,880) | 65.70% (3,094/4,709) | |||||