xluo11/Rirt: 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>.

install.packages("remotes")
remotes::install_github("xluo11/Rirt")