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…	0	743	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…	0	16234	August 6, 2016
LKJ prior throwing positivity exceptions Modeling fitting-issues	9	208	July 11, 2026
Shape constrained (e.g., monotonic) smooths in brms brms	10	1558	July 10, 2026
New User's Guide Intro, SEM, and user-defined constrained parameters chapters General docs	4	113	July 10, 2026
Lognormal family in brms brms	3	74	July 10, 2026
Models where Stan outperforms Nutpie/Walnuts Algorithms	40	1264	July 10, 2026
Multilevel multiresponse phylogenetic mixed models with brms Modeling techniques , specification , loo , brms	4	131	July 10, 2026
Debugging a "stuck" sampler on a complex-ish model Modeling fitting-issues	7	185	July 9, 2026
How can I deal with this heteroskedastic model? Modeling fitting-issues , brms	1	45	July 8, 2026
Vibe coded 3D Anaglyph animation of HMC General	0	57	July 8, 2026
"get_prior() shows only one group random intercept prior when using gr(by = ...), shouldn't there be two as this model assumes groups being drawn from separate distributions?" brms rstan , brms	0	38	July 8, 2026
Using Laplace approximation for logistic normal multinomial model Modeling rstan , techniques , specification	14	441	July 6, 2026
Deep learning and Bayesian modeling citation comparision, surprising to me, comments sought Publicity	9	778	July 3, 2026
Measurement Error Model in Variables Modeling	3	151	July 1, 2026
Possible postdoc opportunity at Uppsala University: Bayesian computation, MCMC/HMC, biomathematics, or agent-based modeling Jobs	0	110	July 1, 2026
New loo package CRAN release v.2.10.0 Interfaces loo	3	183	June 30, 2026
The Gym-Session Problem Modeling	7	274	June 30, 2026
Diststan — distributed Stan fits across a network of computers General cmdstanr	2	142	June 27, 2026
Cannot install Cmdstan due to Windows 11 permissions issue CmdStan installation , windows	1	89	June 26, 2026
Why does changing the reference level wildly change the predicted probabilities? brms mixed-model , posterior-predictive , brms	1	104	June 26, 2026
StanCon 2026: Early bird (and t-shirt) deadline in one week! Announcements stancon	5	215	June 25, 2026
Hessian matrix of log-likelhood function that uses structure-of-array var_value<VectorXd> General	4	88	June 25, 2026
Race conditions between independent cmdstan model runs CmdStan	8	570	June 25, 2026
Informative Priors and Fitting Issues in Meta-Analysis Regression with Missing Covariates General fitting-issues	1	59	June 25, 2026
Introducing the Stan JetBrains plugin General	2	151	June 25, 2026
Assessing influence of population-level predictors on one specific trial brms interpret-results , hypothesis-testing	1	75	June 25, 2026
New paper: To select or not: predictively consistent priors instead of model selection Publicity	0	121	June 24, 2026
LOO-pit for folded predictions: gamma regression vs gaussian regression General	1	90	June 24, 2026
Computing approximate Gaussian processes Modeling brms	6	231	June 24, 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…

0

743

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…