01590157

Component

https://doi.org/10.3141/2564-15

Constructing the universal choice set in spatial choice models developed at the level of elemental alternatives (atomistic models) is challenging because disaggregate data on the attributes of nonchosen alternatives are often not available. Even when the disaggregate data on nonchosen alternatives are available, matching two data sources will inevitably be error prone given that they might be collected at different times and they might have different coding for categorical variables. An important practical question in the estimation of such atomistic models, therefore, is how to construct the universal choice set in the absence of disaggregate data on the attributes of the nonchosen alternatives. This paper presents a novel approach for spatial imputation of attributes of nonchosen alternatives for estimation and application of atomistic spatial choice models in the absence of disaggregate data. The proposed approach uses the iterative proportional fitting algorithm to impute the attributes of nonchosen alternatives from aggregated data on elemental alternatives. The proposed method is validated with a Monte Carlo experiment and applied to real data in the London residential location choice context.

01624690

16-1810

English

pp 138–146

2016

Transportation Research Record: Journal of the Transportation Research Board

9780309441452

Print

Figures (3) ; References (34) ; Tables (5)

Choice models; Monte Carlo method; Residential location; Spatial analysis; Traffic analysis zones

London (England)

Data and Information Technology; Planning and Forecasting; Transportation (General)

TRIS, TRB, ATRI

Jan 12 2016 4:46PM

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