bayesDiagnostics 0.1.0
Initial CRAN Release
New Features
- MCMC Diagnostics (3 functions)
mcmc_diagnostics_summary(): Comprehensive convergence
checks
effective_sample_size_diagnostics(): Detailed ESS
analysis
hierarchical_convergence(): Hierarchical model
diagnostics
- Posterior Predictive Checks (5 functions)
posterior_predictive_check(): Full PPC with test
statistics
automated_ppc(): Automated diagnostic screening
graphical_ppc(): Publication-quality
visualizations
ppc_crossvalidation(): LOO-PIT calibration checks
bayesian_p_values(): Custom test statistic
utilities
- Prior Specification & Sensitivity (3 functions)
prior_elicitation_helper(): Expert knowledge →
priors
prior_sensitivity(): Robustness assessment
prior_robustness(): Multi-dimensional sensitivity
- Model Comparison (3 functions)
model_comparison_suite(): LOO/WAIC/Bayes R²
comparison
bayes_factor_comparison(): Bridge sampling Bayes
Factors
predictive_performance(): Predictive accuracy
metrics
- Utilities & Reporting (4 functions)
extract_posterior_unified(): Cross-package posterior
extraction
diagnostic_report(): HTML/PDF report generation
Package Integration
- Seamless integration with
brms, rstan, and
rstanarm
- Support for
cmdstanr and coda
packages
- Comprehensive vignette with 18 function examples
- Complete workflow demonstration
Documentation
- 800+ line introductory vignette
- Complete function reference documentation
- Interpretation guidelines for all diagnostics
- Further reading section with key references