df_attribute            Attribute misclassification to measurement
                        error vs. rater assignment
df_classify             Classify candidates from their observed scores
df_counterfactual       Counterfactual pass probabilities: would this
                        candidate have passed with different raters?
df_cut                  Define a pass/fail cut under an explicit
                        decision rule
df_data                 Standardize rater-mediated score data
df_fit                  Fit a many-facet Rasch rating scale model
df_rater_effects        Rater severity estimates
df_simulate             Simulate a rater-mediated administration with
                        known truth
