Alexandrowicz RW (2026). GMX: Extended Graphical Model Checks for the Rasch Family of Models. doi:10.32614/CRAN.package.GMX, R package version 0.9-2, https://CRAN.R-project.org/package=GMX.

Rainer W. Alexandrowicz (2023). GMX: Extended Graphical Model Checks of RM/PCM/RSM for Multi-Group Splits. https://osf.io/2ryd8/.

Rainer W. Alexandrowicz (2022). “GMX: Extended Graphical Model Checks. A Versatile Replacement of the plotGOF() Function of eRm.” Psychological Test and Assessment Modeling, 64, 215–225.

Rainer W. Alexandrowicz (2023). “Extending GMX: Conditional Likelihood Ratio Test and Extended Graphical Model Checks with psychotools.” Psychological Test and Assessment Modeling, 65, 259–269.

Corresponding BibTeX entries:

  @Manual{,
    title = {GMX: Extended Graphical Model Checks for the Rasch Family
      of Models},
    author = {Rainer W. Alexandrowicz},
    year = {2026},
    note = {R package version 0.9-2},
    url = {https://CRAN.R-project.org/package=GMX},
    doi = {10.32614/CRAN.package.GMX},
  }

  @Manual{,
    title = {{GMX}: Extended Graphical Model Checks of RM/PCM/RSM for
      Multi-Group Splits},
    author = {{Rainer W. Alexandrowicz}},
    year = {2023},
    version = {0.9},
    url = {https://osf.io/2ryd8/},
  }

  @Article{,
    title = {GMX: Extended Graphical Model Checks.  A Versatile
      Replacement of the plotGOF() Function of eRm},
    author = {{Rainer W. Alexandrowicz}},
    journal = {Psychological Test and Assessment Modeling},
    year = {2022},
    volume = {64},
    issue = {3},
    pages = {215--225},
  }

  @Article{,
    title = {Extending GMX: Conditional Likelihood Ratio Test and
      Extended Graphical Model Checks with psychotools},
    author = {{Rainer W. Alexandrowicz}},
    author = {{Rainer W. Alexandrowicz}},
    journal = {Psychological Test and Assessment Modeling},
    year = {2023},
    volume = {65},
    issue = {2},
    pages = {259--269},
  }