biogeme 2.6a [Mon Apr 17 15:33:55 CEST 2017]

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

This file has automatically been generated on Tue Apr 18 18:03:59 2017

If you drag this HTML file into the Calc application of OpenOffice, or the spreadsheet of LibreOffice, you will be able to perform additional calculations.

Report file: 13estimationAntithetic_250.html
Sample file: __bin_swissmetro.dat

Formulas

Car utility: ASC_CAR + ( B_TIME + B_TIME_S * ( Normal(0) ) ) * CAR_TT_SCALED + B_COST * CAR_CO_SCALED
Swissmetro utility: ASC_SM + ( B_TIME + B_TIME_S * ( Normal(0) ) ) * SM_TT_SCALED + B_COST * SM_COST_SCALED
Train utility: ASC_TRAIN + ( B_TIME + B_TIME_S * ( Normal(0) ) ) * TRAIN_TT_SCALED + B_COST * TRAIN_COST_SCALED

Statistics

Alt. 1 available: 6768
Alt. 1 chosen: 908
Alt. 2 available: 6768
Alt. 2 chosen: 4090
Alt. 3 available: 5607
Alt. 3 chosen: 1770
Cte loglikelihood (only for full choice sets): -6257.86
Null loglikelihood: -6964.66

Estimation report

Number of draws: 250
Number of estimated parameters: 5
Sample size: 6768
Excluded observations: 3960
Init log likelihood: -7155.910
Final log likelihood: -5214.894
Likelihood ratio test for the init. model: 3882.031
Rho-square for the init. model: 0.271
Rho-square-bar for the init. model: 0.271
Akaike Information Criterion: 10439.788
Bayesian Information Criterion: 10473.888
Final gradient norm: +2.521e-03
Diagnostic: Trust region algorithm with simple bounds (CGT2000): Convergence reached...
Iterations: 12
Data processing time: 00:00
Run time: 10:23
Nbr of threads: 2

Estimated parameters

Click on the headers of the columns to sort the table [Credits]

Name ValueStd errt-testp-valueRobust Std errRobust t-testp-value
ASC_CAR0.1370.05172.650.010.05182.650.01
ASC_TRAIN-0.4020.0635-6.340.000.0659-6.110.00
B_COST-1.290.0632-20.360.000.0865-14.870.00
B_TIME-2.260.119-18.960.000.117-19.280.00
B_TIME_S1.660.13911.940.000.13212.540.00

Correlation of coefficients

Click on the headers of the columns to sort the table [Credits]

Coefficient1Coefficient2CovarianceCorrelationt-testp-valueRob. cov.Rob. corr.Rob. t-testp-value
ASC_TRAINB_COST-0.000137-0.03409.710.00-0.000303-0.05317.930.00
B_COSTB_TIME0.002390.3178.400.000.003740.3688.300.00
ASC_CARASC_TRAIN0.002040.62310.550.000.002230.65410.670.00
ASC_TRAINB_TIME-0.00456-0.60311.230.00-0.00470-0.60911.210.00
ASC_CARB_TIME_S0.003000.418-12.040.000.002860.417-12.650.00
ASC_CARB_COST0.0001840.056517.950.000.0001310.029314.310.00
ASC_TRAINB_TIME_S0.001830.207-14.700.000.001460.167-14.980.00
ASC_CARB_TIME-0.00395-0.64215.230.00-0.00387-0.63815.420.00
B_COSTB_TIME_S-0.00259-0.295-17.460.00-0.00322-0.282-16.610.00
B_TIMEB_TIME_S-0.0128-0.774-16.120.00-0.0115-0.741-16.830.00

Smallest singular value: 5.55512