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	515	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	16111	August 26, 2022
ONNX Probabilistic Programming Working Group – Announcement & Call for Contributors Events	0	3	March 7, 2026
Covariate impact on the ratio of dependent variables in BRMS multivariate model Modeling specification , brms	3	102	March 6, 2026
Using AI Generated Code Developers	0	37	March 6, 2026
What is the difference between Intercept and b_Intercept? Modeling brms	7	1581	March 6, 2026
Gaussian Process with measurement uncertainty and a large number of observations Modeling rstan , fitting-issues	10	166	March 6, 2026
Different amounts of data in different conditions brms	2	52	March 5, 2026
Is there MRP with ordered logistic? Modeling	2	76	March 5, 2026
Proof of concept: Binary output format for cmdstan Developers	50	565	March 4, 2026
Help us test a new progress bar for sampling in CmdStanR! Interfaces cmdstanr	11	238	March 3, 2026
Upcoming Short Course on Bayesian Causal Inference with Stan Publicity	7	278	March 2, 2026
Error in sink(type = "output") : invalid connection on Mac OS brms	9	1367	March 2, 2026
Monte Carlo error for Pathfinder fit Algorithms cmdstanr	2	83	March 1, 2026
Memory issues when computing LOO/WAIC Modeling loo	6	497	March 1, 2026
StanCon Oral Presentation Deadline Today Announcements stancon	3	66	March 1, 2026
Joint Modeling: Propogating uncertainty into predictors Modeling brms	22	222	February 28, 2026
Covariance matrix reconstruction in a stan_lmer model Modeling rstanarm	2	55	February 28, 2026
How to deal with extremely small sample sizes in the MRP/MrsP ？ Modeling	1	43	February 27, 2026
Time Series Model Quality, Out of Sample Likelihood Modeling	3	57	February 27, 2026
Stan files for models in PosteriorDB General	5	97	February 25, 2026
Stan Playground: Stan without installing Stan Publicity education , website	33	2176	February 25, 2026
Comparing Gaussian, gamma, and lognormal versions of regression model Modeling brms	4	86	February 24, 2026
Simulating time to event data with a lagged treatment effect General techniques , survival	0	41	February 23, 2026
Feb 5th Bayesian Data Analysis Meetup Virtual Event Events	2	162	February 23, 2026
Stochastic Vol with Jumps that's smooth and well defined for MCMC Modeling	1	50	February 22, 2026
Question: Diagnostic status used in both interaction and derived predictor — better to use split models? Modeling rstan , fitting-issues , specification , brms	2	81	February 22, 2026
Posterior prediction terminology (hierarchical model) General posterior-predictive	2	61	February 21, 2026
Missing signatures for _jacobian and _constrain functions? General language	3	37	February 20, 2026
Design propoal: fold and static events Developers	3	124	February 20, 2026

StanCon 2026 registration and abstract submission are now open!

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

515

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…