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Interval estimation in the calibration of certain trip distribution models

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  • Giles, David E. A.
  • Hampton, Peter

Abstract

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.

Suggested Citation

  • Giles, David E. A. & Hampton, Peter, 1981. "Interval estimation in the calibration of certain trip distribution models," Transportation Research Part B: Methodological, Elsevier, vol. 15(3), pages 203-219, June.
    • Handle: RePEc:eee:transb:v:15:y:1981:i:3:p:203-219
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    Cited by:

    1. Martin Berzins & Alan G Wilson, 2003. "Spatial Interaction Models and Fisher Information: A New Calibration Algorithm," Environment and Planning A, , vol. 35(12), pages 2161-2176, December.

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