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 2021-07-28 09:17:50.315486

Report file: 05normalMixture_allAlgos_Simple bounds BFGS fCG.html
Database name: swissmetro

Estimation report

Number of estimated parameters: 5
Sample size: 6768
Excluded observations: 3960
Init log likelihood: -6879.409
Final log likelihood: -5214.861
Likelihood ratio test for the init. model: 3329.095
Rho-square for the init. model: 0.242
Rho-square-bar for the init. model: 0.241
Akaike Information Criterion: 10439.72
Bayesian Information Criterion: 10473.82
Final gradient norm: 2.9004E-02
Number of draws: 100000
Draws generation time: 0:15:24.216305
Types of draws: ['B_TIME_RND: NORMAL']
Nbr of threads: 36
Algorithm: BFGS with trust region for simple bound constraints
Proportion analytical hessian: 0.0%
Relative projected gradient: 5.13075e-06
Relative change: 2.527423670006801e-05
Number of iterations: 30
Number of function evaluations: 91
Number of gradient evaluations: 31
Number of hessian evaluations: 0
Cause of termination: Relative gradient = 5.1e-06 <= 6.1e-06
Optimization time: 3:56:12.192724

Estimated parameters

NameValueStd errt-testp-valueRob. Std errRob. t-testRob. p-value
ASC_CAR0.1370.05162.650.007950.05172.650.00807
ASC_TRAIN-0.4020.0634-6.332.38e-100.0658-6.111.03e-09
B_COST-1.290.063-20.400.0863-14.90
B_TIME-2.260.119-1900.117-19.30
B_TIME_S1.660.1381200.13112.60

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_CAR0.0001830.0563-1800.0001280.0287-14.30
B_COSTASC_TRAIN-0.000138-0.0344-9.710-0.000305-0.0536-7.942e-15
B_TIMEASC_CAR-0.00394-0.642-15.20-0.00386-0.637-15.40
B_TIMEASC_TRAIN-0.00456-0.604-11.20-0.0047-0.61-11.20
B_TIMEB_COST0.002380.317-8.4200.003730.369-8.320
B_TIME_SASC_CAR0.002970.41712.100.002830.41712.70
B_TIME_SASC_TRAIN0.001820.20814.800.001470.16915.10
B_TIME_SB_COST-0.00258-0.29617.50-0.00321-0.28316.70
B_TIME_SB_TIME-0.0127-0.77416.20-0.0114-0.74116.90

Smallest eigenvalue: 31.6172

Largest eigenvalue: 1001.2

Condition number: 31.6661