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Re: AI-GEOSTATS: interannual spatial "stability" of variable

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  • Isobel Clark
    Chris There are two ways of approaching data which has a time element: (1) treat time as a co-variable and use co-kriging. You would probably want to do this
    Message 1 of 2 , Dec 13, 2001
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      Chris

      There are two ways of approaching data which has a
      time element:

      (1) treat time as a co-variable and use co-kriging.
      You would probably want to do this if you have more
      than one variable anyway

      (2) treat time as a dimension -- as an additional
      co-ordinate. If your original data is two-dimensional,
      you can use any normal 3d geostat package for this. If
      your original data is already 3d, things get a little
      more complicated.

      Good place to start would be Geostat Congress Volumes
      or Noel Cressie's book.

      Isobel Clark

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