Estimating gravity model parameters: A simplified approach based on the odds ratio |
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| Authors: | Robert H Gray Ashish K Sen |
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| Institution: | 2428 North Talman Street, Chicago, IL 60647, U.S.A.;School of Urban Sciences, University of Illinois at Chicago Circle, Box 4348, Chicago, IL 60680, U.S.A. |
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| Abstract: | Two computationally simple methods for calibrating the gravity model are presented in this paper. The use of each is demonstrated on several origin-destination trip tables, and the results compared with those obtained from the UTP system gravity model calibration procedure. Our methods, based on the odds ratio, perform at least as well as that of UTP system by several standard criteria. |
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