AI-GEOSTATS: sill and data variance
- Dear all,
it's the first time I write to this interisting mailing list,
My question is: what does it mean if the sill of the variogram is higher (a
little higher, 10%) of the variance of data?
Have I to fit my model as far as the distance at which the model reach the
variance of data, or there is some more complicate to analyze before
I have looked for the presence of trend or anisotropies and I have found
just a little trend that influences my variogram only at distance two or
three times higher than the range of model. As a consequence, I have ignored
My choice was to use a nested spherical (near the origin) and linear to data
variance model, ignoring what appens after the variance of data. Is it
Thanks in advance for your answers
I will resume the answers.
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