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Piecewise Polynomial Kernel #177

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willtebbutt opened this issue Sep 25, 2020 · 1 comment · Fixed by #225
Closed

Piecewise Polynomial Kernel #177

willtebbutt opened this issue Sep 25, 2020 · 1 comment · Fixed by #225

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@willtebbutt
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willtebbutt commented Sep 25, 2020 •
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The PiecewisePolynomialKernel is something of an oddity in that our current implementation accepts an argument that parametrises a distance. While the dimensionality of this argument is needed so that we can ensure positive definiteness, the warping of the input space that it performs can be achieved via transform.

It would be great if someone could refactor this kernel for our next minor release (we might want to think about getting into the habit of maintaining a dev branch or something)
@willtebbutt willtebbutt mentioned this issue Sep 28, 2020
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@devmotion
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It seems, similarly maybe the Mahalanobis kernel could be removed completely?

@devmotion devmotion mentioned this issue Jan 10, 2021
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Deprecate use of Mahalanobis distance JuliaGaussianProcesses/KernelFunctions.jl
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