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	684	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	16198	August 26, 2022
Differences between jacobian += and target+=? General language , jacobian-adjustment	10	349	May 30, 2026
Vector-valued functions with manual gradients in external C++ General cmdstan , ode	13	1065	May 28, 2026
Elections for Stan Governing Body 2026 Stan Governance	10	394	May 27, 2026
How should I perform sensitivity analysis in panel data? Modeling	0	44	May 27, 2026
Using Laplace approximation for logistic normal multinomial model Modeling rstan , techniques , specification	1	136	May 27, 2026
Calculate indirect effects for a longitudinal Gaussian Process mediation model brms brms	1	93	May 25, 2026
Models with parameters with known posterior Modeling	13	285	May 24, 2026
Subtree acceptance probablity in base_nuts.hpp:166 Developers	4	161	May 22, 2026
Release of CmdStan 2.39.0 Announcements	12	272	May 22, 2026
Full day Stan tutorial at Modern Modeling Methods (M3) this summer in New York (22 June 2026) Events	0	84	May 21, 2026
Seeking Consultant for Post-Hoc Clinical Trial Analysis Peer Review Jobs	0	65	May 20, 2026
A faster implementation of hierarchical models Modeling rstan , specification , performance , hierarchical-model , brms	22	653	May 20, 2026
Rstan process on remote desktop stops when I'm disconnected RStan rstan	6	104	May 20, 2026
Resolving difficult geometry in logistic normal multinomial model Modeling rstan , techniques , specification	0	52	May 20, 2026
Stancon 2026: Poster presentation deadline the 27th of May and Early Bird the 10th of June Announcements stancon	0	53	May 19, 2026
Naive Savage Dickey ratio on correlations with LKJ prior on correlation matrix suitable? General	1	84	May 19, 2026
What is the correct way to request a code review for contributions to math? Developers	3	133	May 18, 2026
CmdStan & Stan 2.39 Release Candidates General	2	246	May 18, 2026
Projpred interpretation Modeling techniques , projpred , interpret-results	2	72	May 16, 2026
Longitudinal Mediation with only two time points brms	0	59	May 15, 2026
Database Ingest into Stan Interfaces	2	106	May 15, 2026
Using JAX as an AD backend Developers	10	656	May 15, 2026
Project Idea: Benchmarking Framework for Individual Functions in stan/math Developers	0	27	May 15, 2026
Generalizing lkj_corr_cholesky via Reduced Parameters Onion Modeling	13	476	May 14, 2026
Models where Stan outperforms Nutpie/Walnuts Algorithms	12	543	May 14, 2026
Loo package support for Uncertainty in Bayesian leave-one-out cross-validation based model comparison Announcements loo	0	131	May 13, 2026
Intro project idea: Scrape the Stan Documentation for Models and Add to posterior DB General	0	61	May 9, 2026
C++, Multithreading, Benchmarking Developers	0	56	May 9, 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

684

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…