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1866Re: [ai-geostats] Regression vs. Kriging vs. Simulation vs. IDW

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  • Edzer J. Pebesma
    Jan 4, 2005
      Darla Munroe wrote:
      > Just to get the group's opinion on this -
      >
      > When do you use IDW? When is it an advantageous technique, or what purposes
      > does it well serve?

      I use IDW to plot a smooth surface, fitted through the data points.
      This may serve as another spatial visualisation of the data; I see
      it as an exploratory step towards building a statistical model for
      spatial variation.
      --
      Edzer
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