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ifaTools

The purpose of ifaTools is to collect useful tools for conducting Item Factor Analysis.

ifaTools includes 2 shiny apps:

  • itemModelExplorer() -- To develop an intuitive sense of item response models
  • modelBuilder() -- An easy way to generate code to conduct IFA analysis

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Version

Install

install.packages('ifaTools')

Monthly Downloads

1,176

Version

0.23

License

AGPL (>= 3)

Issues

0

Pull Requests

0

Stars

1

Forks

1

Maintainer

Joshua Pritikin

Last Published

January 19th, 2022

Functions in ifaTools (0.23)

iccPlot

Plot expected and observed table from SitemFit
addExploratoryFactors

Adds exploratory factors to a single factor model
SitemPlot

Plot expected and observed table from SitemFit
itemModelExplorer

A Shiny app to experiment with item models
replicateModelBy

Replicate a model for each group of data
plotInformation

Plot item information in the latent distribution
itemResponseMap

Create item response map table
modelBuilder

A Shiny app for building IFA models
uniquenessPrior

Uniqueness prior to assist in item factor analysis
univariatePrior

Univariate priors commonly used in IFA models