| data_sim_PCM | Simulated Data Set with Polytomous Items |
| data_sim_Rasch | Simulated Data Set with Dichotomous Items |
| DIFtree | Item focussed Trees for the Identification of Items in Differential Item Functioning |
| plot.DIFtree | Plotting of Item focussed Trees |
| predict.DIFtree | Prediction from fitted Item focussed Trees |
| print.DIFtree | Item focussed Trees for the Identification of Items in Differential Item Functioning |
| print.summary.DIFtree | Summary for fitted Item focussed Trees |
| summary.DIFtree | Summary for fitted Item focussed Trees |