Estimation of a trip table and the Θ parameter in a stochastic network

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Title:	Estimation of a trip table and the Θ parameter in a stochastic network
Authors:	劉士仙;Liu, Shih-sien;Fricker, Jon D.
Contributors:	淡江大學運輸管理學系
Date:	1996-07-01
Issue Date:	2009-11-30 12:49:49 (UTC+8)
Publisher:	Elsevier
Abstract:	An origin-destination (O-D) table that accurately portrays a study area's travel patterns is a valuable element in the modeling and analysis used to support public transportation investment decisions. The probabilistic approach to O-D table estimation involves a heuristic enumeration of link choice probabilities. The parameter Θ, which reflects the variation in path choices among tripmakers, has not been discussed in the context of O-D table estimation, nor has an efficient way been demonstrated to determine the associated link use probabilities. This paper presents a method for O-D table estimation in a stochastic network. The “OD Theta” method can not only estimate the O-D table, it also estimates the Θ parameter in the same process. The proposed method is illustrated using a sample test network. Finally, the method is applied to a real network, with the results compared to those from some well-known O-D estimation software.
Relation:	Transportation Research Part A: Policy and Practice 30(4), pp.287-305
DOI:	10.1016/0965-8564(95)00031-3
Appears in Collections:	[Graduate Institute & Department of Transportation Management] Journal Article

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