pymc

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### Description Rely on PyTensor 3.0, with default numba backend. This makes PyMC safely pip installable Potentially could make nutpie the default sampler when the whole model can run with...

ricardoV94

Implemented icdf for Categorical distribution and add shape/broadcasting tests.

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## Description ## Changes - Added `icdf` implementation to `pymc/distributions/discrete.py`. - Added `test_categorical_icdf`, `test_categorical_icdf_batch_shapes`, and `test_categorical_icdf_upper_edge`. ## Testing - All Categorical tests pass locally (`pytest -q tests/distributions -k categorical`). -...

iTzZe4lous

DOC: pm.sample doesn't use ZarrTrace with numpyro, but docs don't say this

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### Issue with current documentation: I tried out the ZarrTrace backend and didn't notice anything being written. A directory is created when I make the `ZarrTrace` object, but it isn't...

brendan-m-murphy

Add transform_coords abstract method. SimplexTransform drops last coo…

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## Description - Add abstract transform_coords method to Transform base class - Implement method in all concrete Transform classes - SimplexTransform and SumTo1 remove last coordinate - Most other transforms...

AndrewKillion

feat #7713: implement ICARRV/CARRV as SymbolicRVs

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## Description We will implement `ICARRV` and `CARRV` as `SymbolicRV`s by subclassing `SymbolicMVNormalUsedInternally`. This will eliminate the need for `rng_fn`. ## Related Issue - [x] Closes #7713 - [ ]...

asifzubair

Remove several functions and objects from PyMC root namespace

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- [x] All arviz plots must be retrieved from pymc.plots.foo - [x] All arviz stats must be retrieved from pymc.stats.foo - [x] Removed many rare or non-user facing objects -...

ricardoV94

## Description Initial work on #7462 from the PyData Amsterdam 2025 PyMC sprint. ---- 📚 Documentation preview 📚: https://pymc--7918.org.readthedocs.build/en/7918/

edschofield

BUG: various packages missing from dev dependencies

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### Describe the issue: Following these docs on the contributing page: ``` conda env create -f conda-envs/environment-dev.yml ``` and attempting to run the test suite results in `ModuleNotFoundError`s due to...

edschofield

Check idata dims/coords for consistency before sampling begins

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### Description This is a painful gotcha I get hit by once in a while. If you have inconsistencies between the model coords and variable shapes, PyMC will still happy...

jessegrabowski

use preliz under the hood of `find_constrained_prior`

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In https://github.com/pymc-devs/pymc/pull/7680#issuecomment-2709633765 it was suggested that instead of deprecating `find_constrained_prior`, we should call PreliZ's maxent function. ---- 📚 Documentation preview 📚: https://pymc--7905.org.readthedocs.build/en/7905/

aloctavodia