> My end goal is to create the best sample spacing for a new
> design based on the variogram. In the anisotropic case I would create a
> rectangular grid with stations in one direction closer than in the other.
> In the other "trend" case I would create a square grid. This is the
> question I am
> Is there a methodology to find the best distance to be used as a limit
> for the calculation of a semi-variogram ?
General practitioner rule: the half of the squared domain diagonal
> Here is an example that is problematic for me :
> I have a 300 km by 300 km grid regularly spaced points contai
nal anisotropy"); but they are meaningful only if
you compute the directional variograms (one in the x-direction, one in
the y-dir, each with its own unit).
Do the transformation.
ScionForbai
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red your questions, regards
ScionForbai
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Hallo,
just a couple hints:
> In other words, I would like to know if there is a relationship between yield
> and phosphorus, taking into account the spatial dependence. But how can I
> test this?
I think you should look at the cross-variograms. Or did you already
reject this option?
> Anothe