The Stan Forums

Topic	Replies	Views	Activity
StanCon 2026 registration and abstract submission are now open! Announcements Hi everyone! Registration for StanCon 2026 in Uppsala, Sweden, is now open! You can already register and submit abstracts for contributions. Our first keynote speaker will be announced soon. New this StanCon: In additi…	1	532	December 11, 2025
Welcome to the Stan Forums! The Stan Forums provide a community for asking and answering questions about all aspects of Stan. Before creating a new topic please search the Forums to see if your questions has already been answered. When posting ne…	3	16117	August 26, 2022
Using the name 'Stan' for packages derived from Stan/CmdStan/CmdStanPy General cmdstanpy	2	49	March 14, 2026
Gaussian Process with measurement uncertainty and a large number of observations Modeling rstan , fitting-issues	14	234	March 14, 2026
"draw" vs. "sample" and warmup vs. sampling iterations Developers	17	4099	March 14, 2026
Shall we introduce the interaction between state and race in MRP? Modeling specification	0	14	March 14, 2026
How to summarize posterior distribution of rankings? Modeling interpret-results	2	65	March 13, 2026
StanCon 2026 Oral Presentation Acceptance Finalized Announcements stancon	0	29	March 13, 2026
Stan Playground: Stan without installing Stan Publicity education , website	34	2222	March 12, 2026
Circular dependence between state and observation Modeling	8	55	March 12, 2026
Different amounts of data in different conditions brms	3	90	March 12, 2026
Time Series Model Quality, Out of Sample Likelihood Modeling	6	90	March 12, 2026
Archiving PyStan PyStan	8	138	March 11, 2026
Using AI Generated Code Developers	9	213	March 11, 2026
Hierarchical model, binning, no closed-form integral Modeling techniques , specification	11	88	March 11, 2026
Stan the Gathering (weekly Stan meeting) Meetings	8	2483	March 11, 2026
Stan files for models in PosteriorDB General	10	140	March 11, 2026
I2 in brms meta-analysis Modeling meta-analysis	0	23	March 10, 2026
Simulating time to event data with a lagged treatment effect General techniques , survival	2	71	March 10, 2026
SAVE THE DATE: The International Conference on Multilevel Analysis in Utrecht, The Netherlands Events	5	267	March 10, 2026
Feb 5th Bayesian Data Analysis Meetup Virtual Event Events	4	188	March 10, 2026
Stochastic Vol with Jumps that's smooth and well defined for MCMC Modeling	2	68	March 10, 2026
How to deal with extremely small sample sizes in the MRP/MrsP ？ Modeling	2	60	March 10, 2026
Is there MRP with ordered logistic? Modeling	3	94	March 10, 2026
Proof of concept: Binary output format for cmdstan Developers	51	614	March 9, 2026
Announcing StanCon 2026 last keynote Announcements stancon	0	82	March 9, 2026
What is the difference between Intercept and b_Intercept? Modeling brms	8	1618	March 8, 2026
ONNX Probabilistic Programming Working Group – Announcement & Call for Contributors Events	0	54	March 7, 2026
Covariate impact on the ratio of dependent variables in BRMS multivariate model Modeling specification , brms	3	108	March 6, 2026
Help us test a new progress bar for sampling in CmdStanR! Interfaces cmdstanr	11	262	March 3, 2026