Estimation of Tree-Based Item Response Models
Measurement Mapping for an IRTree Model
Structural Mapping for an IRTree Model
Convert a tree to a mapping matrix
Estimation of Tree-Based Item Response Models
Long-to-long, multiple trees
Long-to-long, single tree
Long-to-wide, multiple trees
Long-to-wide, single tree
Convert a wide-format matrix to long format
Wide-to-long, multiple trees
Wide-to-long, one tree
Wide-to-wide, multiple trees
Wide-to-wide, one tree
Helper functions and example data sets to facilitate the estimation of IRTree models from data with different shape and using different software.