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Enhancement: unbounded models #192

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MuellerSeb opened this issue Jul 12, 2021 · 1 comment
Open

Enhancement: unbounded models #192

MuellerSeb opened this issue Jul 12, 2021 · 1 comment
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enhancement New feature or request
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@MuellerSeb
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MuellerSeb commented Jul 12, 2021

Unbounded variogram models like the power-law model can't be expressed by a covariance model, since they don't have a finite sill.

We need another class next to CovModel (maybe UnboundedModel), that provides only a variogram method. Only parameter in common with CovModel is then nugget (and maybe rescale).

Possible models are:

Random field generation is currently depending on the spectral density of a model derived from its covariance function. Thus, we would need to implement new random field generators like turning bands or sequential gaussian for these models.

For Kriging, these models could be used immediately, but we need #191 for it to work.

@MuellerSeb MuellerSeb added the enhancement New feature or request label Jul 12, 2021
@MuellerSeb MuellerSeb added this to the 2.0 milestone Jul 12, 2021
@MuellerSeb MuellerSeb self-assigned this Jul 12, 2021
@MuellerSeb MuellerSeb pinned this issue Jul 12, 2021
@LSchueler
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Sounds exciting! Hello @OpenSourceCommunity, anybody interested? ;-)

This could be a nice master thesis.

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