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 19:34:11.990899

Report file: 07estimationMonteCarlo_halton.html
Database name: swissmetro

Estimation report

Number of estimated parameters: 5
Sample size: 6768
Excluded observations: 3960
Init log likelihood: -6879.614
Final log likelihood: -5214.952
Likelihood ratio test for the init. model: 3329.325
Rho-square for the init. model: 0.242
Rho-square-bar for the init. model: 0.241
Akaike Information Criterion: 10439.9
Bayesian Information Criterion: 10474
Final gradient norm: 3.3385E-02
Number of draws: 2000
Draws generation time: 0:01:16.108312
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: 6.048913e-06
Relative change: 0.00042504377104590047
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: 0:01:42.993534

Estimated parameters

NameValueStd errt-testp-valueRob. Std errRob. t-testRob. p-value
ASC_CAR0.1370.05162.650.0080.05172.650.00813
ASC_TRAIN-0.4020.0635-6.342.34e-100.0658-6.111.02e-09
B_COST-1.290.063-20.400.0863-14.90
B_TIME-2.260.119-1900.117-19.30
B_TIME_S1.660.1381200.13212.60

Correlation of coefficients

Coefficient1Coefficient2CovarianceCorrelationt-testp-valueRob. cov.Rob. corr.Rob. t-testRob. p-value
ASC_TRAINASC_CAR0.002040.623-10.600.002230.655-10.70
B_COSTASC_CAR0.0001830.0563-1800.000130.0292-14.30
B_COSTASC_TRAIN-0.000137-0.0343-9.710-0.000302-0.0531-7.932.22e-15
B_TIMEASC_CAR-0.00394-0.642-15.20-0.00386-0.637-15.40
B_TIMEASC_TRAIN-0.00456-0.603-11.20-0.0047-0.609-11.20
B_TIMEB_COST0.002380.317-8.4200.003720.368-8.320
B_TIME_SASC_CAR0.002980.41712.100.002840.41612.70
B_TIME_SASC_TRAIN0.001820.20714.700.001450.167150
B_TIME_SB_COST-0.00258-0.29617.50-0.00321-0.28216.60
B_TIME_SB_TIME-0.0128-0.77316.10-0.0114-0.74116.80

Smallest eigenvalue: 31.5444

Largest eigenvalue: 1001.19

Condition number: 31.7391