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https://github.com/pymc-devs/pymc
Bayesian Modeling and Probabilistic Programming in Python
https://github.com/pymc-devs/pymc
bayesian-inference mcmc probabilistic-programming pytensor python statistical-analysis variational-inference
Last synced: about 2 months ago
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Bayesian Modeling and Probabilistic Programming in Python
- Host: GitHub
- URL: https://github.com/pymc-devs/pymc
- Owner: pymc-devs
- License: other
- Created: 2009-05-05T09:43:50.000Z (about 15 years ago)
- Default Branch: main
- Last Pushed: 2024-04-15T17:30:42.000Z (2 months ago)
- Last Synced: 2024-04-16T03:48:49.000Z (2 months ago)
- Topics: bayesian-inference, mcmc, probabilistic-programming, pytensor, python, statistical-analysis, variational-inference
- Language: Python
- Homepage: https://docs.pymc.io/
- Size: 508 MB
- Stars: 8,135
- Watchers: 225
- Forks: 1,921
- Open Issues: 259
-
Metadata Files:
- Readme: README.rst
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Citation: CITATION.bib
- Governance: GOVERNANCE.md
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README
.. image:: https://cdn.rawgit.com/pymc-devs/pymc/main/docs/logos/svg/PyMC_banner.svg
:height: 100px
:alt: PyMC logo
:align: center|Build Status| |Coverage| |NumFOCUS_badge| |Binder| |Dockerhub| |DOIzenodo|
PyMC (formerly PyMC3) is a Python package for Bayesian statistical modeling
focusing on advanced Markov chain Monte Carlo (MCMC) and variational inference (VI)
algorithms. Its flexibility and extensibility make it applicable to a
large suite of problems.Check out the `PyMC overview `__, or
one of `the many examples `__!
For questions on PyMC, head on over to our `PyMC Discourse `__ forum.Features
========- Intuitive model specification syntax, for example, ``x ~ N(0,1)``
translates to ``x = Normal('x',0,1)``
- **Powerful sampling algorithms**, such as the `No U-Turn
Sampler `__, allow complex models
with thousands of parameters with little specialized knowledge of
fitting algorithms.
- **Variational inference**: `ADVI `__
for fast approximate posterior estimation as well as mini-batch ADVI
for large data sets.
- Relies on `PyTensor `__ which provides:
* Computation optimization and dynamic C or JAX compilation
* NumPy broadcasting and advanced indexing
* Linear algebra operators
* Simple extensibility
- Transparent support for missing value imputationGetting started
===============If you already know about Bayesian statistics:
----------------------------------------------- `API quickstart guide `__
- The `PyMC tutorial `__
- `PyMC examples `__ and the `API reference `__Learn Bayesian statistics with a book together with PyMC
--------------------------------------------------------- `Probabilistic Programming and Bayesian Methods for Hackers `__: Fantastic book with many applied code examples.
- `PyMC port of the book "Doing Bayesian Data Analysis" by John Kruschke `__ as well as the `first edition `__.
- `PyMC port of the book "Statistical Rethinking A Bayesian Course with Examples in R and Stan" by Richard McElreath `__
- `PyMC port of the book "Bayesian Cognitive Modeling" by Michael Lee and EJ Wagenmakers `__: Focused on using Bayesian statistics in cognitive modeling.
- `Bayesian Analysis with Python `__ (second edition) by Osvaldo Martin: Great introductory book. (`code `__ and errata).Audio & Video
-------------- Here is a `YouTube playlist `__ gathering several talks on PyMC.
- You can also find all the talks given at **PyMCon 2020** `here `__.
- The `"Learning Bayesian Statistics" podcast `__ helps you discover and stay up-to-date with the vast Bayesian community. Bonus: it's hosted by Alex Andorra, one of the PyMC core devs!Installation
============To install PyMC on your system, follow the instructions on the `installation guide `__.
Citing PyMC
===========
Please choose from the following:- |DOIpaper| *PyMC: A Modern and Comprehensive Probabilistic Programming Framework in Python*, Abril-Pla O, Andreani V, Carroll C, Dong L, Fonnesbeck CJ, Kochurov M, Kumar R, Lao J, Luhmann CC, Martin OA, Osthege M, Vieira R, Wiecki T, Zinkov R. (2023)
- |DOIzenodo| A DOI for all versions.
- DOIs for specific versions are shown on Zenodo and under `Releases `_.. |DOIpaper| image:: https://img.shields.io/badge/DOI-10.7717%2Fpeerj--cs.1516-blue
:target: https://doi.org/10.7717/peerj-cs.1516
.. |DOIzenodo| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.4603970.svg
:target: https://doi.org/10.5281/zenodo.4603970Contact
=======We are using `discourse.pymc.io `__ as our main communication channel.
To ask a question regarding modeling or usage of PyMC we encourage posting to our Discourse forum under the `“Questions” Category `__. You can also suggest feature in the `“Development” Category `__.
You can also follow us on these social media platforms for updates and other announcements:
- `LinkedIn @pymc `__
- `YouTube @PyMCDevelopers `__
- `Twitter @pymc_devs `__
- `Mastodon @[email protected] `__To report an issue with PyMC please use the `issue tracker `__.
Finally, if you need to get in touch for non-technical information about the project, `send us an e-mail `__.
License
=======`Apache License, Version
2.0 `__Software using PyMC
===================General purpose
---------------- `Bambi `__: BAyesian Model-Building Interface (BAMBI) in Python.
- `calibr8 `__: A toolbox for constructing detailed observation models to be used as likelihoods in PyMC.
- `gumbi `__: A high-level interface for building GP models.
- `SunODE `__: Fast ODE solver, much faster than the one that comes with PyMC.
- `pymc-learn `__: Custom PyMC models built on top of pymc3_models/scikit-learn APIDomain specific
---------------- `Exoplanet `__: a toolkit for modeling of transit and/or radial velocity observations of exoplanets and other astronomical time series.
- `beat `__: Bayesian Earthquake Analysis Tool.
- `CausalPy `__: A package focussing on causal inference in quasi-experimental settings.Please contact us if your software is not listed here.
Papers citing PyMC
==================See `Google Scholar `__ for a continuously updated list.
Contributors
============See the `GitHub contributor
page `__. Also read our `Code of Conduct `__ guidelines for a better contributing experience.Support
=======PyMC is a non-profit project under NumFOCUS umbrella. If you want to support PyMC financially, you can donate `here `__.
Professional Consulting Support
===============================You can get professional consulting support from `PyMC Labs `__.
Sponsors
========|NumFOCUS|
|PyMCLabs|
|Mistplay|
|ODSC|
.. |Binder| image:: https://mybinder.org/badge_logo.svg
:target: https://mybinder.org/v2/gh/pymc-devs/pymc/main?filepath=%2Fdocs%2Fsource%2Fnotebooks
.. |Build Status| image:: https://github.com/pymc-devs/pymc/workflows/pytest/badge.svg
:target: https://github.com/pymc-devs/pymc/actions
.. |Coverage| image:: https://codecov.io/gh/pymc-devs/pymc/branch/main/graph/badge.svg
:target: https://codecov.io/gh/pymc-devs/pymc
.. |Dockerhub| image:: https://img.shields.io/docker/automated/pymc/pymc.svg
:target: https://hub.docker.com/r/pymc/pymc
.. |NumFOCUS_badge| image:: https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat&colorA=E1523D&colorB=007D8A
:target: http://www.numfocus.org/
.. |NumFOCUS| image:: https://github.com/pymc-devs/brand/blob/main/sponsors/sponsor_logos/sponsor_numfocus.png?raw=true
:target: http://www.numfocus.org/
.. |PyMCLabs| image:: https://github.com/pymc-devs/brand/blob/main/sponsors/sponsor_logos/sponsor_pymc_labs.png?raw=true
:target: https://pymc-labs.io
.. |Mistplay| image:: https://github.com/pymc-devs/brand/blob/main/sponsors/sponsor_logos/sponsor_mistplay.png?raw=true
:target: https://www.mistplay.com/
.. |ODSC| image:: https://github.com/pymc-devs/brand/blob/main/sponsors/sponsor_logos/odsc/sponsor_odsc.png?raw=true
:target: https://odsc.com/california/?utm_source=pymc&utm_medium=referral