Interval estimation in the calibration of certain trip distribution models
This paper argues for interval, rather than point, estimation when calibrating some variants of the trip distribution "gravity" models. Analytic expressions are derived for the approximate asymptotic covariances of least squares and maximum likelihood estimates of the parameters in the impedance function under a variety of conditions. A comparative numerical example, and an application using migration flows, are also presented.
Year of publication: |
1981
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Authors: | Giles, David E. A. ; Hampton, Peter |
Published in: |
Transportation Research Part B: Methodological. - Elsevier, ISSN 0191-2615. - Vol. 15.1981, 3, p. 203-219
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Publisher: |
Elsevier |
Saved in:
Online Resource
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