TECHNICAL NOTES
Mar 1, 2000
Portmanteau Procedure for Model-Fit Evaluation
Publication: Journal of Hydraulic Engineering
Volume 126, Issue 3
Abstract
Theoretic concepts of basic Shannonian information are discussed with special reference to the setting up of relatively simple small-scale computational hydraulics models. It is argued that often the relative mutual information between two distributions, I(X; Y)/S(X), may be a simple, versatile, robust, and approximately consistent quantitative estimate of the degree of fit between measurements (X distribution) and model results (Y distribution). It is proposed that the quantity be named the confluence, Å, and test results are presented in support of its practical utility.
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References
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Ayres, R. U. (1994). Information, entropy and progress: a new evolutionary paradigm. AIP Press, Woodbury, N.Y.
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Received: Jan 15, 1998
Published online: Mar 1, 2000
Published in print: Mar 2000
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Authors
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Morten J. Lintrup
Danish Hydr. Inst., Marine Impact Dept., Agern Allé 5, DK-2970 Hørsholm, Denmark.
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