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The Estimation of Theoretical Semivariogram Adapting Genetic Algorithm for Kriging
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 Title & Authors
The Estimation of Theoretical Semivariogram Adapting Genetic Algorithm for Kriging
Ryu, Je-Seon; Park, Young-Sun; Cha, Kyung-Joon;
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 Abstract
In order to use Kriging, one has to estimate three parameters(nugget, sill and range) of semivariogram, which shows the relationship in the given two sites. A visual fit of the semivariogram parameters to a few standard models is widely used. But, it does not give the suitable results and not provide the automated process of Kriging. The gradient based nonlinear least squares is another choices to estimate three parameters, but it has some problems such as initial value problem. In this paper, we suggest the genetic algorithm as a compatible alternative method to solve the above mentioned problem. Finally, we estimate three parameters of semivariogram of rain-fall by adapting the genetic algorithm, compute Kriging estimate and conclude its effectiveness and compatibility.
 Keywords
Kriging;Semivariogram;Genetic algorithm;
 Language
Korean
 Cited by
 References
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