| dif_statistic | Differential Item Functioning (DIF) Analysis for Bayesian IRT Models |
| fit_statistic_pcm | Posterior Predictive Item Fit Statistic for Bayesian IRT Models |
| fit_statistic_rm | Posterior Predictive Item Fit Statistic for Binary Bayesian IRT Models |
| infit_statistic | Posterior Predictive Infit Statistic for Bayesian IRT Models |
| item_restscore_statistic | Posterior Predictive Item-Restscore Association for Bayesian IRT Models |
| plot_ipf | Item Category Probability Function Curves for Polytomous IRT Models |
| plot_residual_pca | Residual PCA Contrast Plot for Bayesian IRT Models |
| plot_targeting | Person-Item Map (Targeting Plot) for Bayesian IRT Models |
| q3_statistic | Posterior Predictive Q3 Residual Correlations for Bayesian IRT Models |
| RMUreliability | Estimate reliability (Relative Measurement Uncertainty) from Bayesian measurement models |