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Re: [ai-geostats] Simulation maps for anisotropic models

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  • Pierre Goovaerts
    Hi Sanghoon, Your maps look fine and would reflect a strong anisotropy. What is the anisotropy ratio for your variables and did you select a circular or
    Message 1 of 2 , Sep 10, 2004
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      Hi Sanghoon,

      Your maps look fine and would reflect a strong anisotropy.
      What is the anisotropy ratio for your variables and did you
      select a circular or ellptical search window?

      Pierre

      <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>

      Dr. Pierre Goovaerts
      President of PGeostat, LLC
      Chief Scientist with Biomedware Inc.
      710 Ridgemont Lane
      Ann Arbor, Michigan, 48103-1535, U.S.A.

      E-mail: goovaert@...
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      On Fri, 10 Sep 2004, Sanghoon Kang wrote:

      > Dear everyone,
      >
      > I'm new to this mailing list and the field of geostatistics, so my question
      > might be too obvious, but I don't have anyone around to get some help.
      >
      > I'm trying to analyze potential factors influencing soil microbes. For those
      > soil characteristics, some of them were anisotropic and some not. I modeled
      > and ran sgsim for stochastic simulation maps to get qualitative comparison
      > among variables. It looked fine for those isotropic variables but there were
      > lines in anistropic variables. Those lines aligned along the major axes, so
      > I guess they might be generated from search radii. However, maps I've seen
      > didn't have those features in them and I'm not comfortable with that. I
      > would like to get some opinions and if possible solution to get rid of them.
      > You can see the maps by clicking the link.
      > http://www.people.virginia.edu/~sk7k/Material/maps.pdf
      >
      > Any general advice or guidelines would be helpful as well.
      >
      > Thanks.
      >
      > -----------------------------------------------------
      >
      > Sanghoon Kang
      > Lab. Microbial Ecology
      > Dept. Environmental Sciences, UVa
      > 434-924-0537 (T) 434-982-2137 (F)
      >
      > http://www.people.virginia.edu/~sk7k
      > http://janicekang.net
      > -----------------------------------------------------
      >
      >
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