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	595	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	16158	August 26, 2022
Difference in modeling and fitting ordinal data using brms Modeling brms	2	68	April 20, 2026
Sparse NUTS: preconditioning with sparse matrix operations General	0	15	April 20, 2026
How to summarize posterior distribution of rankings? Modeling interpret-results	3	114	April 20, 2026
A note of gratitude to the Stan community General	1	59	April 20, 2026
Announcing StanCon 2026 Tuorials Announcements stancon	0	32	April 20, 2026
How to perform robustness and sensitivity analyses in MRP for small area estimation Modeling	8	122	April 19, 2026
Recalibrating parameter Estimates with Additional Data? General	2	64	April 19, 2026
Log Likelihood for Structural Equation Modeles Modeling rstan , techniques , loo	1	99	April 17, 2026
Confusion with the jacobian General	3	93	April 17, 2026
Brainstorming named tuples/structs Project Proposals language	12	126	April 17, 2026
Scaling the multithreading Developers	4	194	April 16, 2026
occARU: (multispecies) occupancy models for ARUs General	1	71	April 14, 2026
ArviZ 1.0 General arviz	0	79	April 14, 2026
Planning the 2.39 release Developers	2	135	April 13, 2026
Copula regression example (gaussian & poisson) Modeling rstan , fitting-issues , specification	20	1635	April 13, 2026
Proposal for moving stan_surv() to a separate package rstanarm survival	7	259	April 12, 2026
Prior for a covariance matrix when Sigma is 1x1 Modeling rstanarm	2	90	April 11, 2026
Looking for Guidance on Using Cumulative models to understand disease progression in wildlife images from camera traps Modeling techniques , brms	1	52	April 10, 2026
Generalizing lkj_corr_cholesky via Reduced Parameters Onion Modeling	12	378	April 10, 2026
Autocorrelation Residual Diagnostics for brms Modeling brms	3	89	April 10, 2026
Job posting — ML Scientist, probabilistic modeling for microbiome multi-omics (remote) Jobs	1	143	April 9, 2026
Performance tests cloning recursively Developers	1	53	April 9, 2026
How many divergence can we tolerate? Modeling rstan	3	201	April 9, 2026
Performance Tests - Windows Developers	1	51	April 9, 2026
Timeline for Rstan update on CRAN RStan rstan	3	105	April 9, 2026
Add_criterion applied to a model produced by brm() brms loo	3	45	April 9, 2026
LOO and reinforcement learning models Modeling loo , reinforcement-learning , cognitive-science	4	104	April 9, 2026
Blog article on Bayesian thinking in the use of historical control data Publicity specification	9	1027	April 8, 2026