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AI-GEOSTATS: OK vs PK

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  • Jose G. Flores G.
    Is there any specific difference between the terms Ordinary Kriging and Point (Punctual) Kriging , or they are just synonymous? If so, could the difference
    Message 1 of 2 , Feb 20, 2001
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      Is there any specific difference between the terms "Ordinary Kriging" and
      "Point (Punctual) Kriging", or they are just synonymous? If so, could the
      difference be that in PK both the observations and the estimates have the
      same support?

      Thanks in advance for your answers.




      Jose G. Flores G.
      Ph.D. Candidate
      Forest Sciences
      College of Natural Resources
      Colorado State University
      Fort Collins, CO 80523
      (970)491-2578, FAX (970)491-6754
      email: german@...

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    • Isobel Clark
      Ordinary Kriging is the generic term used for the system which produces the Best Linear Unbiassed Estimator from any support of sample for any support of
      Message 2 of 2 , Feb 21, 2001
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        Ordinary Kriging is the generic term used for the
        system which produces the "Best Linear Unbiassed
        Estimator" from any support of sample for any support
        of point, area or volume to be estimated.

        Point Kriging refers to the special case where point
        samples are used to estimate unsampled point
        locations.

        Some writers use the term "point kriging" for the
        cross validation process, where samples are removed
        from the data one at a time and estimated from the
        remaining samples.

        Isobel Clark
        http://uk.geocities.com/drisobelclark

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