cmdstanpy
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CmdStanPy is a lightweight interface to Stan for Python users which provides the necessary objects and functions to compile a Stan program and fit the model to data using CmdStan.
#### Submission Checklist - [x] Run unit tests - [x] Declare copyright holder and open-source license: see below #### Summary Test changes needed for 2.37: https://github.com/stan-dev/cmdstan/issues/1324 Note that no logic...
I've run into a somewhat odd (and likely edge-case) situation where `CmdStanModel.sample` behaves unexpectedly after a call to `os.fork`. I'm providing pseudocode now in the hopes that there is a...
I have installed cmstan.2.36 in my Ubuntu 24.04.2 LTS machine which has python3.12. For the other python libraries, I am using for example "sudo apt install python3-pandas" as pip install...
#### Submission Checklist - [x] Run unit tests - [x] Declare copyright holder and open-source license: see below #### Summary When run code in non-English system, jupyter would implicitly set...
Reverts stan-dev/cmdstanpy#779 With https://github.com/stan-dev/cmdstan/pull/1320, I'm not sure this is necessary. Removing it would let us update to avoid parsing the csv comments entirely (see https://github.com/stan-dev/cmdstanpy/issues/685). It would be easy to...
_pickle.PicklingError in test_serialization: Can't pickle <class 'cmdstanpy.stanfit.gq.CmdStanGQ'>
I encountered a _pickle.PicklingError when running the test suite for cmdstanpy. The error occurs in the test_serialization test within test/test_generate_quantities.py. The error message indicates that Python cannot pickle the object...
#### Summary: Title describes the problem :) #### Description: I believe the problem comes from this [line](https://github.com/stan-dev/cmdstanpy/blob/0ed8811c7b0ce67cf62496a2b0e426399492b914/cmdstanpy/model.py#L256). Shouldn't it read `if compile or self._exe_file is None` instead of the current...