stan-dev/cmdstanr

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CmdStanR: the R interface to CmdStan

Stars: 160
Forks: 69
Open beginner issues: 0
Indexed issues: 46
Avg merge: 1d 19h
Merged PRs (30d): 15

Dominant language: R
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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46 open issues indexed

Let fits compress their own output CSVs Open

feature

Difficulty 5/5 Over a week Newbie friendliness 42/100

stan-dev/cmdstanr#1276 · 1 comment · Opened Sep 17, 2026
Remove special GHA handling of Fortran installation on macOS r-devel Open

internal-code

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

stan-dev/cmdstanr#1272 · Opened Sep 15, 2026
Compiled model methods and `expose_functions` fail to load when RcppParallel's TBB is already in the session Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

stan-dev/cmdstanr#1270 · 1 comment · Opened Sep 14, 2026
stanc_options_to_args(quote_values = TRUE) hand-quotes values with single quotes Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

stan-dev/cmdstanr#1263 · Opened Sep 10, 2026
Launch the model executable with the TBB its build resolved Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

stan-dev/cmdstanr#1261 · Opened Sep 4, 2026
`cmdstan_version_compare()` conflates no version with old version Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

stan-dev/cmdstanr#1260 · Opened Aug 31, 2026
v1.0 compilation state: implementation order Open

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

stan-dev/cmdstanr#1258 · Opened Aug 27, 2026
Document the dependencies cmdstanr does not track Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

stan-dev/cmdstanr#1257 · Opened Aug 27, 2026
cmdstan_model(exe_file = ) surfaces a raw processx error when the executable cannot be run Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

stan-dev/cmdstanr#1246 · Opened Aug 26, 2026
Record what an executable was built with, alongside the executable? Open

feature

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

stan-dev/cmdstanr#1238 · Opened Jul 29, 2026
LLM code optimizations Open

internal-code

Difficulty 5/5 Over a week Newbie friendliness 30/100

stan-dev/cmdstanr#1220 · Opened Jul 23, 2026
Segfault in cmdstan_model(..., compile_model_methods = TRUE) on Ubuntu GitHub Actions Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

stan-dev/cmdstanr#1177 · 12 comments · Opened Apr 9, 2026
Improve warnings and messages behavior Open

feature

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

stan-dev/cmdstanr#1175 · 1 comment · 2 reactions · Opened Apr 8, 2026
Lint with Jarl Open

internal-code

stan-dev/cmdstanr#1172 · 4 comments · 1 assignee · Opened Apr 6, 2026
Use air for formatting Open

internal-code

stan-dev/cmdstanr#1153 · 1 comment · 1 reaction · 1 assignee · Opened Mar 9, 2026
Forward vs. back slashes killing path assertions during $sample calls when using WSL w/ Ubuntu Open

bug windows

Difficulty 4/5 3-5 days Newbie friendliness 42/100

stan-dev/cmdstanr#1113 · 6 comments · Opened Sep 30, 2025
Computation continues after interruption of parallelised `future` workers in R Open

bug

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

stan-dev/cmdstanr#1086 · 1 comment · Opened May 7, 2025
CmdStanR 1.0 release Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

stan-dev/cmdstanr#1059 · 8 comments · Opened Feb 12, 2025
on-disk/lazy draw backend for large fits Open

feature

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

stan-dev/cmdstanr#1041 · 1 comment · 3 reactions · Opened Nov 20, 2024
Support compression in read_cmdstan_csv Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

stan-dev/cmdstanr#1027 · Opened Oct 1, 2024
Enable running unittests safely in parallel by giving them independent workspaces Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

stan-dev/cmdstanr#1025 · 1 comment · Opened Aug 22, 2024
Make compile(..., cpp_options()) consistent with makefile options Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

stan-dev/cmdstanr#1019 · 2 comments · Opened Aug 1, 2024
Errors re-rendering quarto html with cached chunks and cmdstanr. Open

bug

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

stan-dev/cmdstanr#1012 · 5 comments · Opened Jul 19, 2024
Occasional segfault when returning tuple as R list from exposed function Open

bug

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

stan-dev/cmdstanr#1001 · Opened Jun 24, 2024
NA dimensions for complex and tuple types Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

stan-dev/cmdstanr#925 · 6 comments · Opened Mar 5, 2024
Add option for linking and executing models through R/Rcpp to avoid admin issues with executables Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

stan-dev/cmdstanr#918 · 2 comments · 1 reaction · Opened Feb 9, 2024
Turn off "Compiling additional model methods..." message when calling `init_model_methods` Open

feature

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

stan-dev/cmdstanr#914 · 3 comments · Opened Jan 31, 2024
Add check for invalid GitHub PAT to internal function Open

feature

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

stan-dev/cmdstanr#909 · 2 comments · Opened Jan 23, 2024
Store the information of how CmdStan was called Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 38/100

stan-dev/cmdstanr#900 · 4 comments · Opened Jan 17, 2024
Utilize multiple GPUs Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 42/100

stan-dev/cmdstanr#891 · 1 comment · Opened Jan 2, 2024
Enable caching of compiled Stan functions Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

stan-dev/cmdstanr#870 · 5 reactions · Opened Nov 2, 2023
Add toolchain setup check for OpenCL Open

feature

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

stan-dev/cmdstanr#858 · 2 comments · Opened Sep 27, 2023
Avoid R’s 2 GB string limit in read_cmdstan_csv() Open

bug

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

stan-dev/cmdstanr#808 · Opened Aug 4, 2023
Allow structured format for unconstrained parameters Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

stan-dev/cmdstanr#730 · 8 comments · 1 reaction · Opened Dec 19, 2022
Add WSL support for model methods and exposing functions Open

feature

stan-dev/cmdstanr#714 · 3 reactions · 1 assignee · Opened Nov 7, 2022
Interactive installation Open

feature

stan-dev/cmdstanr#605 · 4 comments · 1 assignee · Opened Nov 29, 2021
Add `warmup_draws = T` argument to `read_cmdstan_csv` Open

feature

stan-dev/cmdstanr#565 · 2 comments · 1 assignee · Opened Oct 5, 2021
[FR] Use new num_chains arg in cmdstan for hmc, fixed params, and generated quantities Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 42/100

stan-dev/cmdstanr#534 · 16 comments · 2 reactions · Opened Aug 13, 2021
Document various performance tips and tricks Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

stan-dev/cmdstanr#506 · 6 comments · 1 reaction · Opened May 20, 2021
MPI generated quantities Open

feature

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

stan-dev/cmdstanr#475 · 1 comment · Opened Mar 24, 2021
easy way to limit sampling to a maximum time duration Open

feature

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

stan-dev/cmdstanr#474 · 4 comments · Opened Mar 23, 2021
Option to send $sample() output to file instead of console Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

stan-dev/cmdstanr#473 · 2 comments · 1 reaction · Opened Mar 18, 2021
Diagnostics-driven sampling termination (feature request & design discussion) Open

feature

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

stan-dev/cmdstanr#426 · 1 reaction · Opened Jan 2, 2021
During-sampling diagnostics (feature request & design discussion) Open

feature

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

stan-dev/cmdstanr#425 · 2 comments · 4 reactions · Opened Jan 2, 2021
Background/asynchronous sampling (feature request & design discussion) Open

feature

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

stan-dev/cmdstanr#424 · 11 comments · 2 reactions · Opened Jan 2, 2021
Progress bar Open

feature

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

stan-dev/cmdstanr#18 · 48 comments · Opened Oct 7, 2019

stan-dev/cmdstanr

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