biogeme 2.5 [Dim 19 jui 2016 17:58:58 CEST]

Michel Bierlaire, EPFL

This file has automatically been generated.

Wed Jul 6 20:03:15 2016

Tip: click on the columns headers to sort a table [Credits]

Model: Logit
Number of estimated parameters: 5
Number of observations: 6768
Number of individuals: 6768
Null log likelihood: -6964.663
Init log likelihood: -6964.663
Final log likelihood: -4976.691
Likelihood ratio test: 3975.945
Rho-square: 0.285
Adjusted rho-square: 0.285
Final gradient norm: +1.293e-03
Diagnostic: Normal termination. Obj: 6.05545e-06 Const: 6.05545e-06
Iterations: 24
Run time: 00:01
Variance-covariance: from finite difference hessian
Sample file: ../swissmetro.dat

Utility parameters

Name Value Std err t-testp-valueRobust Std err Robust t-testp-value
ASC_CAR-0.01530.0132-1.160.25*0.0185-0.830.41*
ASC_SM0.00fixed
ASC_TRAIN-0.4470.0329-13.570.000.0411-10.870.00
B_COST-0.3570.0304-11.740.000.0384-9.300.00
B_TIME-0.3740.0315-11.890.000.0445-8.410.00

Scale parameters

NameValueStd errt-test 1p-valueRobust Std errRobust t-test 1p-value
Scale21.00fixed
Scale34.180.30510.430.000.3718.570.00

Utility functions

IdNameAvailabilitySpecification
1A1_TRAINTRAIN_AV_SPASC_TRAIN * one + B_TIME * TRAIN_TT_SCALED + B_COST * TRAIN_COST_SCALED
2A2_SMSM_AVASC_SM * one + B_TIME * SM_TT_SCALED + B_COST * SM_COST_SCALED
3A3_CarCAR_AV_SPASC_CAR * one + B_TIME * CAR_TT_SCALED + B_COST * CAR_CO_SCALED

Correlation of coefficients

Coefficient1 Coefficient2CovarianceCorrelationt-testp-valueRob. cov.Rob. corr.Rob. t-testp-value
B_COST B_TIME0.0007530.7860.840.40 *0.001320.7740.600.55 *
ASC_TRAIN B_TIME0.0004030.388-2.040.04 0.0002610.142-1.290.20 *
ASC_TRAIN B_COST0.0006040.603-3.170.00 0.0008680.549-2.370.02
ASC_CAR B_TIME-6.28e-05-0.1519.990.00 -0.000255-0.3096.750.00
ASC_CAR B_COST0.0001230.30511.700.00 0.0001850.2608.980.00
ASC_CAR ASC_TRAIN0.0002070.47514.840.00 0.0005240.68813.730.00

Smallest singular value of the hessian: 4.01328