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 17:37:10.745124

Report file: 05normalMixture_allAlgos_Simple bounds hybrid iCG.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: 3.0851E-02
Number of draws: 100000
Draws generation time: 0:15:24.216305
Types of draws: ['B_TIME_RND: NORMAL']
Nbr of threads: 36
Algorithm: Hybrid Newton [50.0%] with trust region for simple bound constraints
Proportion analytical hessian: 50.0%
Relative projected gradient: 5.1984e-06
Relative change: 0.01614521912476427
Number of iterations: 10
Number of function evaluations: 25
Number of gradient evaluations: 8
Number of hessian evaluations: 4
Cause of termination: Relative gradient = 5.2e-06 <= 6.1e-06
Optimization time: 1:16:42.518256

Estimated parameters

NameValueStd errt-testp-valueRob. Std errRob. t-testRob. p-value
ASC_CAR0.1370.05162.660.007920.05172.650.00804
ASC_TRAIN-0.4020.0634-6.332.42e-100.0658-6.11.04e-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_CAR0.0001830.0563-1800.0001280.0286-14.30
B_COSTASC_TRAIN-0.000138-0.0345-9.710-0.000305-0.0537-7.942e-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_TRAIN0.001820.20814.800.001470.1715.10
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: 31.6146

Largest eigenvalue: 1001.19

Condition number: 31.6687