irtDemo

Item Response Theory Demo Collection

Includes a collection of shiny applications to demonstrate or to explore fundamental item response theory (IRT) concepts such as estimation, scoring, and multidimensional IRT models.

The package can be installed and loaded as:

install.packages("irtDemo")
library(irtDemo)

Example usage:

irtDemo("eapmap")
irtDemo("mirt")

News

Changes in irtDemo version 0.1.4

  • Allowed 0 (zero) discrimination in some applications
  • Bug fixes for MIRT information plot

Changes in irtDemo version 0.1.3

  • Removed online dependency

Changes in irtDemo version 0.1.2

  • Exported irtDemo function in NAMESPACE
  • Added README file
  • Added NEWS file

Changes in irtDemo version 0.1.1

  • Bug fixes for "est2pl" and "est3pl" applications

Reference manual

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install.packages("irtDemo")

0.1.4 by Metin Bulus, a year ago

Browse source code at https://github.com/cran/irtDemo

Authors: Metin Bulus [aut,cre] Wes Bonifay [aut,cre]

Documentation:   PDF Manual  

Task views: Psychometric Models and Methods

GPL (>= 2) license

Imports shiny, fGarch

See at CRAN

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