| irtrees-package | Estimation of Tree-Based Item Response Models |
| dendrify | Measurement Mapping for an IRTree Model |
| exogenize | Structural Mapping for an IRTree Model |
| graph2mx | Convert a tree to a mapping matrix |
| irtrees | Estimation of Tree-Based Item Response Models |
| linlat | Example Data: Sequential-Order Latent Variable Models |
| linresp | Example Data: Linear Hierarchical Categories |
| LtoL_multi.tree | Long-to-long, multiple trees |
| LtoL_single.tree | Long-to-long, single tree |
| LtoW_multi.tree | Long-to-wide, multiple trees |
| LtoW_single.tree | Long-to-wide, single tree |
| neslat | Example Data: Nested Hierarchical Categories |
| nesresp | Example Data: Nested Hierarchical Latent Variables |
| tolong | Convert a wide-format matrix to long format |
| VerbAgg2 | Verbal Aggression Data, Dichotomized Items |
| VerbAgg3 | Verbal Aggression Data, Three-Category Items |
| WtoL_multi.tree | Wide-to-long, multiple trees |
| WtoL_single.tree | Wide-to-long, one tree |
| WtoW_multi.tree | Wide-to-wide, multiple trees |
| WtoW_single.tree | Wide-to-wide, one tree |