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Erscheinungsjahr: 
2008
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[Journal:] Journal of Choice Modelling [ISSN:] 1755-5345 [Volume:] 1 [Issue:] 1 [Publisher:] University of Leeds, Institute for Transport Studies [Place:] Leeds [Year:] 2008 [Pages:] 40-69
Verlag: 
University of Leeds, Institute for Transport Studies, Leeds
Zusammenfassung: 
This paper describes and implements three computationally attractive procedures for nonparametric estimation of mixing distributions in discrete choice models. The procedures are specic types of the well known EM (Expectation-Maximization) algorithm based on three dierent ways of approximating the mixing distribution nonparametrically: (1) a discrete distribution with mass points and frequencies treated as parameters, (2) a discrete mixture of continuous distributions, with the moments and weight for each distribution treated as parameters, and (3) a discrete distribution with fixed mass points whose frequencies are treated as parameters. The methods are illustrated with a mixed logit model of households' choices among alternative-fueled vehicles.
Schlagwörter: 
mixed logit
probit
random coecients
EM algorithm
nonparametric estimation
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