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	604	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	16160	August 26, 2022
C+++ Promoting Datatypes with Forward, Apply Developers	1	25	April 25, 2026
occARU: (multispecies) occupancy models for ARUs General	7	133	April 24, 2026
How to perform robustness and sensitivity analyses in MRP for small area estimation Modeling	10	150	April 24, 2026
How many divergence can we tolerate? Modeling rstan	5	251	April 24, 2026
Using brms::hypothesis() with an interaction General hypothesis-testing , brms	0	19	April 24, 2026
Run time and efficiency differences between Stan and tmbstan General	4	116	April 24, 2026
Mean-centered variables in brms brms	4	82	April 24, 2026
Sparse NUTS: preconditioning with sparse matrix operations General	5	188	April 22, 2026
Recalibrating parameter Estimates with Additional Data? General	4	107	April 21, 2026
Scaling the multithreading Developers	5	232	April 21, 2026
Confusion with the jacobian General	4	127	April 21, 2026
Log Likelihood for Structural Equation Modeles Modeling rstan , techniques , loo	2	130	April 21, 2026
A note of gratitude to the Stan community General	2	175	April 21, 2026
How to summarize posterior distribution of rankings? Modeling interpret-results	4	142	April 21, 2026
What's Parallelizable in the Math Library Developers	1	64	April 21, 2026
Difference in modeling and fitting ordinal data using brms Modeling brms	2	86	April 20, 2026
Announcing StanCon 2026 Tutorials Announcements stancon	0	80	April 20, 2026
Brainstorming named tuples/structs Project Proposals language	12	144	April 17, 2026
ArviZ 1.0 General arviz	0	87	April 14, 2026
Planning the 2.39 release Developers	2	157	April 13, 2026
Copula regression example (gaussian & poisson) Modeling rstan , fitting-issues , specification	20	1644	April 13, 2026
Proposal for moving stan_surv() to a separate package rstanarm survival	7	267	April 12, 2026
Prior for a covariance matrix when Sigma is 1x1 Modeling rstanarm	2	95	April 11, 2026
Looking for Guidance on Using Cumulative models to understand disease progression in wildlife images from camera traps Modeling techniques , brms	1	54	April 10, 2026
Generalizing lkj_corr_cholesky via Reduced Parameters Onion Modeling	12	386	April 10, 2026
Autocorrelation Residual Diagnostics for brms Modeling brms	3	91	April 10, 2026
Job posting — ML Scientist, probabilistic modeling for microbiome multi-omics (remote) Jobs	1	153	April 9, 2026
Performance tests cloning recursively Developers	1	55	April 9, 2026