Open-source Bayesian model diagnostics and visualisation tool for checking MCMC results and posterior analysis.
ArviZ is an open-source tool for exploring, diagnosing and visualising Bayesian models, used for MCMC chain diagnostics, posterior visualisation, model comparison and statistical summaries. It is often used with PyMC, Stan, NumPyro and similar tools.
Use cases: Bayesian diagnostics, MCMC, posterior analysis, model comparison, visualisation
Note: judge model convergence using R-hat, ESS, trace plots and other indicators together.