Modeling

Topic	Replies	Views	Activity
About the Modeling category	1	2876	July 23, 2019
Scale parameter negative in normal_lpdf despite positive initialization fitting-issues	0	1	March 24, 2025
How bad is this pp_check? Should I alter the distribution? fitting-issues , specification , brms	25	216	March 24, 2025
Scale mismatch in the 'disc' Parameter between prior and data for Ordinal IRT Models in brms specification , brms	1	21	March 23, 2025
Estimating between hospital effects on one outcome, from data on another outcome techniques	4	61	March 23, 2025
Inequality constraints on linear combinations of parameters specification , priors	21	187	March 23, 2025
Optimising stan fit for fixed effects and interactions rstan , specification	1	62	March 21, 2025
What would be a good technique for fitting an array of parameters some of which have known values? techniques	4	64	March 21, 2025
Crossed Random effect-DIM mismatch	1	17	March 21, 2025
Hierarchical Model for Publication Bias techniques , specification	22	282	March 21, 2025
Modelling "hurdle lognormal" vs "hurdle gamma" on data with many zeros specification , brms	4	56	March 21, 2025
How to calculate mean difference from ordinal regression model rstan , r , brms	6	88	March 20, 2025
Too more divergent transitions and too large R-hat in bayesian hierarchical generalized extreme value model rstan	3	77	March 20, 2025
Different dispersion hyperparameters for each unique level of a factor specification , hierarchical-model , brms	2	14	March 19, 2025
Fixing parameters in a model techniques	13	181	March 19, 2025
Add an unknown discrete parameter following a Bernoulli distribution rstan , techniques	8	136	March 19, 2025
Diagnosing convergence under label-switching fitting-issues , mixture , diagnostics	5	86	March 19, 2025
Choosing priors in brms for interaction term and covariance matrix priors , phylogenetic , brms	2	33	March 19, 2025
Estimating log-likelihood in an Gaussian process model cmdstanr	3	74	March 18, 2025
Aggregated model for mixture of Exponential distributions mixture , poisson	5	69	March 18, 2025
R-squared from rstan (and not rstanarm)	5	1834	March 18, 2025
Fit the same model with fixed or random effect brms	0	26	March 18, 2025
Post test for bayes factor brms	0	22	March 17, 2025
Priors in a ZINB model fitting-issues , brms	0	33	March 17, 2025
Priors Not Having an Effect on Posterior Samples rstan , priors	5	124	March 17, 2025
Count Time Series \| INGARCH(1,1) Fits \| INGARCH(2,2) Does Not fitting-issues , time-series , count-data	4	46	March 13, 2025
Is there a significant difference between using transformed parameters and setting values in the model section? techniques	2	45	March 13, 2025
Negative Binomial model won't optimize dispersion parameter optimization , initialization	3	59	March 13, 2025
Creating density plots for estimated latent distributions using conditional_effects() in cumulative models brms	2	46	March 13, 2025
(non-)centered Hierarchical Dirichlet-Multinomial	3	78	March 12, 2025