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 <>.


Reference manual

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0.0.2 by Xiao Luo, 8 months ago

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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