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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/9668
Title: An Assessment of the Calibration of Spatial Interaction Models
Authors: Hall, Douglas Peter
Advisor: Hall, F. L.
Department: Geography
Keywords: Geography;Geography
Publication Date: Dec-1975
Abstract: <p>This paper is concerned with assessing the procedures used in calibrating spatial interaction models. It critically reviews calibration methodologies which have been proposed in the literature and determines that the statistical estimation techniques of maximum likelihood and least-squares are particularly suited to this estimation problem.</p> <p>The calibration statistics from the maximum likelihood and least-squares estimators are developed from first principles and special note is made of the behavioral assumption implicit in each.</p> <p>Two issues are then reviewed: the reliability of the random sample in representing the mean distribution of trips, and the definition of variable in calibration statistics. A hypothetical framework is proposed, within which an examination of these issues is made.</p> <p>The study results indicate that the sample reasonably represents the mean distribution and also that the incorporation of implicit behavioral assumptions does not necessarily result in better model predictions.</p>
URI: http://hdl.handle.net/11375/9668
Identifier: opendissertations/477
1137
877582
Appears in Collections:Open Access Dissertations and Theses

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