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Mention xtensorvariable methods in dims module

1

## Description This PR enhances the dims math documentation by adding information about the method-based API available on XTensorVariable instances. Previously, the documentation only mentioned where PyTensor operations were wrapped,...

MedAmineGBerry

Mention XTensorVariable methods in dims module

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### Description The math page is just a reference point to where on the pytensor docs the related functionality is documented. Many operations though are available as methods of XTensorVariables,...

ricardoV94

refactor: move _precition_mv_normal_logp into a seperate function

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Addresses #7894 as part of https://github.com/pymc-devs/pymc-extras/issues/532 ---- 📚 Documentation preview 📚: https://pymc--7895.org.readthedocs.build/en/7895/

Michal-Novomestsky

Draft external sampler API

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## Discussion needed !! Draft PR motivated by https://github.com/pymc-devs/pymc/discussions/7699 The need being > Basically my question is: would PyMC be open to a PR along these lines? For public facing...

ricardoV94

Refactor: Make precision_mv_normal_logp a general-purpose function

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### Description Quality-of-life refactor to facilitate https://github.com/pymc-devs/pymc-extras/issues/532

Michal-Novomestsky

### Description Reported by @jessegrabowski ```python import numpy as np import pytensor import pymc as pm from pymc.pytensorf import collect_default_updates from pymc.distributions.shape_utils import rv_size_is_none def GRW(y_init, size=None): def grw_step(y_tm1): y...

ricardoV94

Link to docs in core notebook

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### Description In this section: https://www.pymc.io/projects/docs/en/stable/learn/core_notebooks/dims_module.html#what-functionality-is-supported We should link to the relevant docs entries: * https://www.pymc.io/projects/docs/en/stable/api/dims/distributions.html * https://www.pymc.io/projects/docs/en/stable/api/dims/transforms.html * https://www.pymc.io/projects/docs/en/stable/api/dims/math.html Also every time we reference a specific distribution `ZeroSumNormal`, `Categorical`,...

ricardoV94

Add a function to create a tensor that represents the loop over the posterior

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## Description This PR adds the `loop_over_posterior` function. It complements `vectorize_over_posterior` and can be used whenever `vectorize_graph` is not implemented for some nodes in the computational graph (i.e. some kinds...

lucianopaz

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.10.0 to 3.11.1. Release notes Sourced from docker/setup-buildx-action's releases. v3.11.1 Fix keep-state not being respected by @​crazy-max in docker/setup-buildx-action#429 Full Changelog: https://github.com/docker/setup-buildx-action/compare/v3.11.0...v3.11.1 v3.11.0 Keep BuildKit state support...

dependabot[bot]

### Description We have these currently: * [Scalar](https://github.com/pymc-devs/pymc/blob/main/pymc/dims/distributions/scalar.py) * [Vector](https://github.com/pymc-devs/pymc/blob/main/pymc/dims/distributions/vector.py) We should implement most of the existing distributions. Univariate should be straightforward. Multivariate may be trickier. We would likely want...

ricardoV94