| coef_item | Parameter Estimates from Hierarchical IRT Models. |
| coef_mean | Parameter Estimates from Hierarchical IRT Models. |
| coef_var | Parameter Estimates 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 |
| predict_hIRT | Predicting from Hierarchical IRT Models |
| print.hIRT | Printing an object of class 'hIRT' |
| print.summary_hIRT | Summarizing Hierarchical Item Response Theory Models |
| summary.hIRT | Summarizing Hierarchical Item Response Theory Models |