coef.hIRT               Extracting Parameter Estimates from
                        Hierarchical IRT Models.
coef_item               Extracting Estimates of Item Parameters from
                        Hierarchical IRT Models.
hgrm                    Fitting Hierarchical Graded Response Models
hltm                    Fitting Hierarchical Latent Trait Models (for
                        Binary Data).
latent_scores           Estimates of Latent Preferences/Abilities
nes_econ2008            Public Attitudes on Economic Issues in ANES
                        2008
print.hIRT              Printing an object of class 'hIRT'
summary.hIRT            Summarizing Hierarchical Item Response Theory
                        Models
