| QualInt-package | R-package for qualitative interaction test |
| coef.qualint | Extract estimation results from a "qualint" object |
| ibga | Extract IBGA results from a "qualint" object |
| plot.qualint | Plot the interval based graph from a "qualint" object |
| print.qualint | Print a summary of a "qualint" object |
| qualint | Test for qualitative interactions from complete data |
| qualval | Test for qualitative interactions from estimation |