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AI-GEOSTATS: variogram fitting in Variowin

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  • Sandra Caeiro
    Dear List: Does anyone know which method of variogram fitting (goodness of the fit) the software Variowin use when adjusting a variogram model? Is it minimum
    Message 1 of 3 , Oct 7, 2002
      Dear List:

      Does anyone know which method of variogram fitting (goodness of the fit) the software Variowin use when adjusting a variogram model? Is it minimum weights mean squares errors technique? I don't have the guide of this software so I don't know this specification.

      Thanks.

      Sandra


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    • Sandra Caeiro
      Dear List: Thanks for all your answers, that are summarized below. Variowin 2.2 software computes an indicates the goodness of the variogram fit by a weighted
      Message 2 of 3 , Oct 9, 2002
        Dear List:

        Thanks for all your answers, that are summarized below.

        Variowin 2.2 software computes an indicates the goodness of the variogram fit by a weighted mean square standardized (a -dimensional) procedure; standardized by the variance of the data and weighted by the number of pairs in each lag and the inverse of the mean distance of the lag. Values close to zero indicates a "good" fit. See pag 56 of the software manual.

        Answered by Tom Mueller, Jorge Carvalho, Bill Thayer and Ruben Roa

        Best regards


        Sandra Caeiro
        Departamento de Ciências Exactas e Tecnológicas
        Universidade Aberta (Portuguese Distance Learning University)
        R. Escola Politecnica, nº 147
        1269-001 Lisboa


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