Package index • easyRaschBayes

Item Fit

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
plot_icc(): Item Characteristic Curves with Class Intervals
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

q3_statistic(): Posterior Predictive Q3 Residual Correlations for Bayesian IRT Models
q3_post(): Summarize and Plot Posterior Predictive Q3 Residual Correlations

dif_statistic(): Differential Item Functioning (DIF) Analysis for Bayesian IRT Models
plot_icc(): Item Characteristic Curves with Class Intervals

plot_targeting(): Person-Item Map (Targeting Plot) for Bayesian IRT Models
plot_ipf(): Item Category Probability Function Curves for Polytomous IRT Models
plot_icc(): Item Characteristic Curves with Class Intervals
plot_tile(): Tile Plot of Item Response Distributions
plot_bars(): Item Response Distribution Bar Chart
plot_stackedbars(): Stacked Bar Chart of Item Response Distributions
plot_residual_pca(): Residual PCA Contrast Plot for Bayesian IRT Models

RMUreliability(): Estimate reliability (Relative Measurement Uncertainty) from Bayesian measurement models

item_parameters(): Extract Item Parameters from a Bayesian Rasch Model
person_parameters(): Extract Person Parameters from a Bayesian Rasch Model
posterior_to_prior(): Extract Informative Priors from a Fitted Bayesian IRT Model

hurdle_acat(): Hurdle Partial Credit Model Custom brms Family
infit_statistic_hpcm(): Posterior Predictive Infit Statistic for the Hurdle Partial Credit Model
q3_statistic_hpcm(): Posterior Predictive Q3 Residual Correlations for the Hurdle PCM
item_parameters_hpcm(): Extract Item Parameters from a Hurdle Partial Credit Model
person_parameters_hpcm(): Extract Person Parameters from a Hurdle Partial Credit Model
RMUreliability_hpcm(): Relative Measurement Uncertainty Reliability for the Hurdle PCM
plot_icc_hpcm(): Item Characteristic Curves with Class Intervals for Hurdle PCM
plot_targeting_hpcm(): Person-Item Targeting Plot for the Hurdle Partial Credit Model