Data Analysis and Parameter Estimation Using Item Response Theory

Parameter estimation, computation of probability, information, and (log-)likelihood, and visualization of item/test characteristic curves and item/test information functions for three uni-dimensional item response theory models: the 3-parameter-logistic model, generalized partial credit model, and graded response model. The full documentation and tutorials are at < https://github.com/xluo11/Rirt>.


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install.packages("Rirt")

0.0.2 by Xiao Luo, a month ago


https://github.com/xluo11/Rirt


Report a bug at https://github.com/xluo11/Rirt/issues


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


Authors: Xiao Luo [aut, cre]


Documentation:   PDF Manual  


GPL (>= 3) license


Imports ggplot2, Rcpp, reshape2, stats

Suggests testthat

Linking to Rcpp


Imported by Rata, Rmst.


See at CRAN