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irtrees (version 1.0.0)

Estimation of Tree-Based Item Response Models

Description

Helper functions and example data sets to facilitate the estimation of IRTree models from data with different shape and using different software.

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Version

Install

install.packages('irtrees')

Monthly Downloads

271

Version

1.0.0

License

GPL (>= 2)

Maintainer

Ivailo Partchev

Last Published

December 14th, 2021

Functions in irtrees (1.0.0)

LtoL_single.tree

Long-to-long, single tree
WtoL_multi.tree

Wide-to-long, multiple trees
VerbAgg3

Verbal Aggression Data, Three-Category Items
dendrify

Measurement Mapping for an IRTree Model
graph2mx

Convert a tree to a mapping matrix
irtrees-package

Estimation of Tree-Based Item Response Models
tolong

Convert a wide-format matrix to long format
neslat

Example Data: Nested Hierarchical Categories
WtoW_single.tree

Wide-to-wide, one tree
nesresp

Example Data: Nested Hierarchical Latent Variables
exogenize

Structural Mapping for an IRTree Model
linresp

Example Data: Linear Hierarchical Categories
linlat

Example Data: Sequential-Order Latent Variable Models
WtoW_multi.tree

Wide-to-wide, multiple trees
WtoL_single.tree

Wide-to-long, one tree
LtoL_multi.tree

Long-to-long, multiple trees
VerbAgg2

Verbal Aggression Data, Dichotomized Items
LtoW_multi.tree

Long-to-wide, multiple trees
LtoW_single.tree

Long-to-wide, single tree