irtDemo: Item Response Theory Demo Collection

Description Usage Arguments Details Note Author(s) Examples

Description

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.

Usage

1

Arguments

text

argument in quotes refering to a demo. See details for demos available in the package.

Details

text argument can be one of the followings:

  • mle” for Maximum Likelihood Estimation

  • est2pl” for Estimation in 2PL Model

  • est3pl” for Estimation in 3PL Model

  • eapMap” for Expected a Posteriori (EAP) and Maximum a Posteriori (MAP) Estimation

  • dich” for Dichotomous IRT Models

  • gpcm” for Generalized Partial Credit and Partial Credit Models

  • grm” for Graded Response Model

  • grsm” for Generalized Rating Scale and Rating Scale Models

  • nrm” for Nominal Response Model

  • mirt” for Multidimensional Item Response Theory Model

Note

irtDemo calls runGist function in shiny package, which requires internet connection.

Author(s)

Metin Bulus bulusmetin@gmail.com and Wes Bonifay bonifayw@missouri.edu

Examples

1
2
3
4
5
6
## Not run: 

    irtDemo("eapMap")
    irtDemo("mirt")
    
## End(Not run)


Search within the irtDemo package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? or email at ian@mutexlabs.com.

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.