01015552

Component

https://doi.org/10.3141/1921-07

http://scholar.google.com...iano&publication_year=2005

Discrete choice models with error structures that are not independent and identically distributed have received enormous attention in the recent literature. A detailed synthetic study tests this type of model in a controlled case. With mixed logit and probit models as the study objects, calibration was implemented with the use of software available on the Internet. The controlled situation was built as a simulation laboratory, which generated databases with known parameters. The effects of various elements were analyzed: number of repetitions of the simulation, number of observations in the database, and how the use of Halton sequences improves the mixed logit calibration. The scale effects on the different models are also discussed. The results obtained in this specific context lead to some recommendations for future users of these powerful modeling tools. In particular, flexible structures require large sample sizes to calibrate the elements of the covariance matrix.

01015546

English

pp 53-62

2005

Transportation Research Record: Journal of the Transportation Research Board

0309093953

Print

Figures (4) ; References (16) ; Tables (4)

Calibration; Probits; Simulation

Discrete choice models; Mixed logit models; Scale effects

Highways; Planning and Forecasting; I72: Traffic and Transport Planning

TRIS, TRB, ATRI

Jan 18 2006 3:06PM

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