pymc-devs/pymc v5.1.0

on GitHub

What's Changed

Major Changes 🛠

• Access to external NUTS samplers (nutpie, blackjax, numpyro) with new sample() kwarg called nuts_sampler which often provide huge speed-ups and improved convergence by @twiecki and @ricardoV94 in #6422
• Enforce dims elements to be strings by @ricardoV94 in #6470
• Align DEMetropolis defaults with literature recommendations by @gbrunkhorst in #6488
• Tests are no longer part of the package by @Armavica in #6540
• Replace rvs_to_total_sizes mapping by MinibatchRandomVariables by @ricardoV94 in #6523

New Features 🎉

• Use separate argument in CustomDist for functions that return symbolic representations by @ricardoV94 in #6462
• Add nu parametrization to beta distribution by @alekracicot in #6344
• Preregister shapes of sampler stats by @michaelosthege in #6517
• Optional McBackend support by @michaelosthege in #6510
• Make VI (posterior) mean and std accessible as a structured xarray by @fonnesbeck in #6387
• Add mutable coords to Model by @Dhruvanshu-Joshi in #6515

Maintenance 🔧

• Fix some UserWarnings by @ricardoV94 in #6407
• Decouple convergence checking from SamplerReport by @michaelosthege in #6453
• Updated LICENSE to include AePPL license info by @fonnesbeck in #6474
• Fix typo in model comparison notebook by @Mikhail-Naumov in #6480
• Add devcontainer Docker image by @maresb in #6482
• Update GitPod base image to use pymc-built image by @maresb in #6483
• Register Op as subclass of Distributions with rv_type defined by @ricardoV94 in #6493
• Refactoring towards IBaseTrace interfaces by @michaelosthege in #6475
• Fix some type issues related to retrieving stats from traces by @michaelosthege in #6504
• Move pymc/distributions/logprob.py to pymc/logprob/ by @Armavica in #6441
• Update GLM_linear.ipynb by @bsenst in #6519
• Fix plot in HyperGeometric docstring by @aleicazatti in #6513
• Build docs in simplified environment by @michaelosthege in #6537
• BetaBinomial variance is not correctly described by @soma2000-lang in #6516
• Rename zerosum_axes to n_zerosum_axes by @michaelraczycki in #6522
• issue #5791, dims & cords inference from xarray by @michaelraczycki in #6514
• Fix some code lints found with ruff by @Armavica in #6545
• Add check for variables in step samplers by @michaelraczycki in #6524
• Fix two typos in documentation by @JoKeyser in #6547
• Bump PyTensor dependency by @ricardoV94 in #6531

New Contributors

• @Mikhail-Naumov made their first contribution in #6480
• @gbrunkhorst made their first contribution in #6488
• @dependabot made their first contribution in #6490
• @bsenst made their first contribution in #6519
• @Dhruvanshu-Joshi made their first contribution in #6515
• @aleicazatti made their first contribution in #6513
• @michaelraczycki made their first contribution in #6522
• @JoKeyser made their first contribution in #6547

Full Changelog: v5.0.2...v5.1.0