Comparison of two techniques for applying disjunctive kriging: The Gaussian anamorphosis model versus the direct statistical inference of the bivariate distributions |
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| Authors: | James R Carr and Eddy D Deng |
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| Institution: | (1) Department of Geological Sciences, Mackay School of Mines, University of Nevada, 89557-0047 Reno, Nevada, USA;(2) Department of Engineering Mechanics, University of Missouri, 65401 Rolla, Missouri, USA |
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| Abstract: | Indicator cokriging is an alternative to disjunctive kriging for estimation of spatial distributions. One way to determine which of these techniques is more accurate for estimation of spatial distributions is to apply each to a particular type of data. A procedure is developed for evaluation of disjunctive kriging and indicator cokriging for such an application. Application of this procedure to earthquake ground motion data found disjunctive kriging to be at least as accurate as indicator cokriging for estimation of spatial distributions of peak horizontal acceleration. Indicator cokriging was superior for all other types of earthquake ground motion data. |
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| Keywords: | indicator cokriging disjunctive kriging spatial distributions |
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