xxIRT (2.1.1)

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Item Response Theory and Computer-Based Testing in R.

https://github.com/xluo11/xxIRT
http://cran.r-project.org/web/packages/xxIRT

A suite of practical psychometric analysis and research tools of item response theory, including the 3-parameter-logistic model and the generalized partial credit model as well as functions to perform: (1) parameter estimation, (2) automated test assembly, (3) simulation of computerized adaptive testing (CAT), and (4) assembly and simulation of multistage testing. More documentation at .

Maintainer: Xiao Luo
Author(s): Xiao Luo [aut, cre]

License: GPL (>= 3)

Uses: ggplot2, glpkAPI, lpSolveAPI, reshape2, testthat

Released 4 months ago.


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