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Save data as attribute on fit objects

featureNew feature or request New feature or request

Status: Open.

#863 In stan-dev/cmdstanpy;

· WardBrian opened on Aug 24, 2026

function format_stan_file missing docs, example on how to deal with #includes

documentation

Status: Open.

#853 In stan-dev/cmdstanpy;

· mitzimorris opened on May 10, 2026

Implemention discussion: using Stan config JSON throughout library and other changes

Status: Open.

#848 In stan-dev/cmdstanpy;

· amas0 opened on Jan 27, 2026

CmdStanMCMC.summary: allow filtering of variables

featureNew feature or request New feature or request

method outputsCmdStan outputs to Python objects CmdStan outputs to Python objects

Status: Open.

#846 In stan-dev/cmdstanpy;

· WardBrian opened on Dec 4, 2025

Feature idea: cache results of CmdStanMCMC.summary()

Status: Open.

#845 In stan-dev/cmdstanpy;

· amas0 opened on Dec 4, 2025

Explore alternatives to RTools

builddownload, install, and devops issues download, install, and devops issues

questionFurther information is requested Further information is requested

Status: Open.

#832 In stan-dev/cmdstanpy;

· WardBrian opened on Nov 4, 2025

doc for fixed_param should mention it's not necessary

documentation

Status: Open.

#798 In stan-dev/cmdstanpy;

· bob-carpenter opened on Jul 16, 2025

Path forward on IO operations

code cleanup

help wantedExtra attention is needed Extra attention is needed

method outputsCmdStan outputs to Python objects CmdStan outputs to Python objects

Status: Open.

#785 In stan-dev/cmdstanpy;

· WardBrian opened on Apr 11, 2025

·

2.0

Understanding CmdStanModel Behavior with os.fork

Status: Open.

#780 In stan-dev/cmdstanpy;

· brucejwittmann opened on Feb 22, 2025

cannot set the save_single_paths argument to Pathfinder model

Status: Open.

#770 In stan-dev/cmdstanpy;

· aphc14 opened on Oct 2, 2024

document function rebuild_cmdstan; add detection of need to rebuild gch headers; improve error message

builddownload, install, and devops issues download, install, and devops issues

documentation

Status: Open.

#759 In stan-dev/cmdstanpy;

· mitzimorris opened on Jun 3, 2024

Stan terminating with no error messages on CentOS linux 7 (core) cluster, but runs on my personal device (Ubunutu LTS 22.04)

Status: Open.

#753 In stan-dev/cmdstanpy;

· Garren-H opened on May 21, 2024