sirt

Supplementary Item Response Theory Models

If you use sirt and have suggestions for improvement or have found bugs, please email me at [email protected].

Manual

The manual may be found here https://alexanderrobitzsch.github.io/sirt/

CRAN version sirt 3.9-4 (2020-02-17)

  

The official version of sirt is hosted on CRAN and may be found here. The CRAN version can be installed from within R using:

utils::install.packages("sirt")

GitHub version sirt 3.10-31 (2020-04-18)

  

The version hosted here is the development version of sirt. The GitHub version can be installed using devtools as:

devtools::install_github("alexanderrobitzsch/sirt")