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| ability | Estimate abilities |
| ability_tables | Estimate abilities |
| add_booklet | Add a booklet to a project |
| add_item_properties | Add item properties to a project |
| add_test3DC | Add a standard setting booklet to a 3DC database |
| as.data.frame.prms | deprecated method |
| close_project | Close a project |
| coef.prms | extract enorm item parameters |
| coef.rim | Coefficients for the interaction model |
| create3DC | Create a database for the 3DC standard setting application |
| design_as_network | Test design as network |
| design_is_connected | Test if design is connected |
| DIF | Exploratory test for Differential Item Functioning |
| distractor_plot | Distractor plot |
| fit_domains | Estimate the Rasch and the Interaction model per domain |
| fit_enorm | Fit the extended nominal response model |
| fit_inter | Estimate the Interaction and the Rasch model |
| get_booklets | Booklets entered in a project |
| get_design | Test design |
| get_items | Items in a project |
| get_item_properties | Item properties in a project |
| get_persons | Persons in a project |
| get_person_properties | Person properties in a project |
| get_responses | Selecting data |
| get_rules | Get scoring rules |
| get_testscores | Provide test scores |
| get_variables | Variables that are defined in the project |
| iModels | Interactive model display |
| individual_differences | Test individual differences |
| iTIA | Interactive test-item analysis |
| keys_to_rules | Derive scoring rules from keys |
| open_project | Open an existing project |
| PISA_item_class | Item properties in the PISA 2012 example |
| plausible_scores | Generate plausible testscores |
| plausible_values | Draw plausible values |
| plot.rim | A plot method for the interaction model |
| plot3DC | Show 3DC plots |
| print.prms | A print method for ENORM parameters |
| print.rim | A print method for the interaction model |
| profile_plot | Profile plot |
| read_oplm_par | Read item parameters from oplm PAR or CML files |
| show_booklets | Deprecated function names |
| show_design | Deprecated function names |
| show_items | Deprecated function names |
| show_item_properties | Deprecated function names |
| show_persons | Deprecated function names |
| show_person_properties | Deprecated function names |
| show_rules | Deprecated function names |
| start_new_project | Start a new project |
| start_new_project_from_oplm | Start a new project from oplm files |
| tia_tables | Simple test-item analysis |
| touch_rules | Add or modify scoring rules |
| verbAggrData | Verbal aggression data |
| verbAggrProperties | Item properties in the verbal aggression data |
| verbAggrRules | Scoring rules for the verbal aggression data |