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


Author  Xiao Luo [aut, cre] 
Maintainer  Xiao Luo <xluo1986@gmail.com> 
License  GPL (>= 3) 
Version  0.0.2 
URL  https://github.com/xluo11/Rirt 
Package repository  View on CRAN 
Installation 
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