biogeme 3.2.8 [2021-07-27]

Python package

Home page: http://biogeme.epfl.ch

Submit questions to https://groups.google.com/d/forum/biogeme

Michel Bierlaire, Transport and Mobility Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL)

This file has automatically been generated on 2021-07-27 19:31:58.477869

Report file: 07estimationMonteCarlo_halton_500.html
Database name: swissmetro

Estimation report

Number of estimated parameters: 5
Sample size: 6768
Excluded observations: 3960
Init log likelihood: -6879.658
Final log likelihood: -5215.076
Likelihood ratio test for the init. model: 3329.165
Rho-square for the init. model: 0.242
Rho-square-bar for the init. model: 0.241
Akaike Information Criterion: 10440.15
Bayesian Information Criterion: 10474.25
Final gradient norm: 3.3041E-02
Number of draws: 500
Draws generation time: 0:00:17.739767
Types of draws: ['B_TIME_RND: NORMAL_HALTON2']
Nbr of threads: 36
Algorithm: Newton with trust region for simple bound constraints
Proportion analytical hessian: 100.0%
Relative projected gradient: 6.001487e-06
Relative change: 0.00041438280510367164
Number of iterations: 6
Number of function evaluations: 19
Number of gradient evaluations: 7
Number of hessian evaluations: 7
Cause of termination: Relative gradient = 6e-06 <= 6.1e-06
Optimization time: 0:00:25.550603

Estimated parameters

NameValueStd errt-testp-valueRob. Std errRob. t-testRob. p-value
ASC_CAR0.1370.05162.650.008160.05172.640.00829
ASC_TRAIN-0.4020.0634-6.342.35e-100.0658-6.111.01e-09
B_COST-1.280.063-20.400.0863-14.90
B_TIME-2.260.119-1900.117-19.30
B_TIME_S1.650.1381200.13112.60

Correlation of coefficients

Coefficient1Coefficient2CovarianceCorrelationt-testp-valueRob. cov.Rob. corr.Rob. t-testRob. p-value
ASC_TRAINASC_CAR0.002040.624-10.600.002230.656-10.70
B_COSTASC_CAR0.0001840.0567-1800.0001330.0298-14.30
B_COSTASC_TRAIN-0.000139-0.0348-9.710-0.000306-0.0539-7.932.22e-15
B_TIMEASC_CAR-0.00394-0.642-15.20-0.00386-0.638-15.40
B_TIMEASC_TRAIN-0.00456-0.605-11.20-0.00471-0.612-11.20
B_TIMEB_COST0.002370.316-8.4200.003710.368-8.310
B_TIME_SASC_CAR0.002980.41812.100.002830.41812.70
B_TIME_SASC_TRAIN0.001830.20914.800.001490.17315.10
B_TIME_SB_COST-0.00256-0.29517.50-0.00318-0.28116.70
B_TIME_SB_TIME-0.0127-0.77416.20-0.0114-0.74216.90

Smallest eigenvalue: 31.6804

Largest eigenvalue: 1001.72

Condition number: 31.6195