Estimation of Tree-Based Item Response Models


[Up] [Top]

Documentation for package ‘irtrees’ version 1.0.0

Help Pages

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