stan-dev/pystan

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PyStan, a Python interface to Stan, a platform for statistical modeling. Documentation: https://pystan.readthedocs.io

Stars: 366
Forks: 61
Open beginner issues: 0
Indexed issues: 16

Dominant language: Python
License: ISC
Last GitHub push: Aug 5, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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16 open issues indexed

Request for a new tag Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

stan-dev/pystan#419 · Opened Sep 4, 2026
Issue when creating issue Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

stan-dev/pystan#418 · Opened Sep 4, 2026
Add support for Arrow tables Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

stan-dev/pystan#412 · 3 comments · Opened Sep 17, 2025
Support optimize Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

stan-dev/pystan#411 · 2 comments · Opened Apr 17, 2025
Add Httpstan Compatibility Chart to Documentation Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

stan-dev/pystan#397 · 1 comment · Opened Dec 4, 2023
Tuple datatype io Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

stan-dev/pystan#394 · Opened Sep 10, 2023
Use of array format Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

stan-dev/pystan#392 · Opened Sep 10, 2023
[DOC] [TUTORIAL] Dockerized environment for running pystan on Windows and Mac OS Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

stan-dev/pystan#386 · Opened Apr 25, 2023
References Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

stan-dev/pystan#381 · 1 comment · Opened Feb 17, 2023
No mention of how to generate logs (verbose=True) for pystan3 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

stan-dev/pystan#380 · Opened Dec 9, 2022
`KeyError: 'message'` occurs when trying to build a model with wrong datatype Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

stan-dev/pystan#379 · 1 comment · Opened Dec 8, 2022
I ran into an issue, while trying to get started with stan/pystan. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

stan-dev/pystan#365 · 4 comments · Opened Sep 26, 2022
Deleting model fits from cache in a simulation setting (where each model is given a different seed) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

stan-dev/pystan#361 · 6 comments · Opened Aug 5, 2022
Update docs and tests for Stan 2.32 syntax changes Open

bug help wanted

stan-dev/pystan#354 · 3 comments · 1 assignee · Opened Jul 3, 2022
Setting a maximum number of hardware threads regardless of the number of chains Open

wontfix

Difficulty 5/5 Over a week Newbie friendliness 25/100

stan-dev/pystan#349 · 2 comments · Opened May 2, 2022
Effective sample size not available Open

enhancement help wanted wontfix

Difficulty 4/5 3-5 days Newbie friendliness 35/100

stan-dev/pystan#150 · 7 comments · Opened Aug 19, 2020

stan-dev/pystan

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