Reif, M. and Steinfeld, J. (2021). PP: Estimation of person parameters for the 1,2,3,4-PL model and the GPCM. R package version 0.6.3-11. https://github.com/jansteinfeld/PP

@Manual{,
  title = {PP: Estimation of person parameters for the 1,2,3,4-PL model and the GPCM.},
  author = {Manuel Reif and Jan Steinfeld},
  year = {2021},
  note = {R package version 0.6.3-11},
  url = {https://github.com/jansteinfeld/PP},
}
  • Jan Steinfeld. Maintainer, author.

  • Manuel Reif. Author.