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1854Re: [ai-geostats] Regression vs. Kriging vs. Simulation vs. IDW

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  • Ben Fang
    Dec 31, 2004
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      We had participated in AI-GEOSTATS SIC 2004 exercise in the past September.
      I think that several techniques (Kriging, regression, etc.) may have been
      used by different participants. It will be illuminating to read the final
      report of SIC 2004 when available.

      K.K. (Benjamin) Fang
      (We had used an interpolant/estimator similar to "IDW" and "nonparametric

      ----- Original Message -----
      From: "Seumas P. Rogan" <sprogan@...>
      To: <ai-geostats@...>
      Sent: Friday, December 31, 2004 11:14 AM
      Subject: [ai-geostats] Regression vs. Kriging vs. Simulation vs. IDW

      > Hello everyone,
      > I apologize if this question is too elementary for this list;
      > I want to understand the key differences between linear regression,
      > kriging, conditional simulation and other interpolation techniques such as
      > IDW or splines in the analyses of spatial data. I would like to know the
      > assumptions, strengths and weaknesses of each method, and when one method
      > should be preferred to another. I browsed the archives and looked at some
      > of the on-line papers, but they are written at a level beyond my own
      > current understanding. It seems to me that this would be a great topic for
      > the first chapter of an introductory spatial analysis textbook. Can anyone
      > recommend any basic textbooks or references on this topic?
      > Any assistance you can offer would be appreciated.
      > Sincerely,
      > Seumas Rogan


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