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Generalize mixmod_pdf #166

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aimalz opened this issue Apr 11, 2023 · 1 comment
Open

Generalize mixmod_pdf #166

aimalz opened this issue Apr 11, 2023 · 1 comment
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@BStoelzner
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enhancement New feature or request parameterization new/upgraded PDF parameterization need

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@aimalz
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aimalz commented Apr 11, 2023

The current mixmod_pdf only supports mixtures of norm distributions, but it would be pretty handy to have this for mixtures of all pdf_gen distributions, or at least all the scipy ones. For a concrete example in photo-zs, GPz's most natural format is really a mixture of truncnorm components because bugs arise when imposing the normalization conditions with norm components when performing operations restricted to positive x values. (Related to #162)
@aimalz aimalz added the parameterization new/upgraded PDF parameterization need label Apr 11, 2023
@aimalz aimalz added the enhancement New feature or request label Aug 31, 2023
@elts6570
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We would benefit from the parameterization of a Gaussian with outliers in this project: LSSTDESC/bayesian-pipelines-cosmology#5 (Bayesian Pipelines Topical Team)

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enhancement New feature or request parameterization new/upgraded PDF parameterization need
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@aimalz @BStoelzner @elts6570