Package index

Item Fit

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

infit_post()

Summarize and Plot Posterior Predictive Infit Statistics

item_restscore_statistic()

Posterior Predictive Item-Restscore Association for Bayesian IRT Models

item_restscore_post()

Summarize and Plot Posterior Predictive Item-Restscore Associations

Local Dependence

q3_statistic()

Posterior Predictive Q3 Residual Correlations for Bayesian IRT Models

q3_post()

Summarize and Plot Posterior Predictive Q3 Residual Correlations

Dimensionality

plot_residual_pca()

Residual PCA Contrast Plot for Bayesian IRT Models

Differential Item Functioning

dif_statistic()

Differential Item Functioning (DIF) Analysis for Bayesian IRT Models

Plots

plot_targeting()

Person-Item Map (Targeting Plot) for Bayesian IRT Models

plot_ipf()

Item Category Probability Function Curves for Polytomous IRT Models

Reliability

RMUreliability()

Estimate reliability (Relative Measurement Uncertainty) from Bayesian measurement models

Other

RMUreliability()

Estimate reliability (Relative Measurement Uncertainty) from Bayesian measurement models

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_post()

Summarize and Plot Posterior Predictive Infit Statistics

infit_statistic()

Posterior Predictive Infit Statistic for Bayesian IRT Models

item_restscore_post()

Summarize and Plot Posterior Predictive Item-Restscore Associations

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_post()

Summarize and Plot Posterior Predictive Q3 Residual Correlations

q3_statistic()

Posterior Predictive Q3 Residual Correlations for Bayesian IRT Models