To cite package ‘ACTCD’ in publications use:

Chiu C, Ma W (2026). ACTCD: Asymptotic Classification Theory for Cognitive Diagnosis. R package version 1.4-0, https://CRAN.R-project.org/package=ACTCD.

Corresponding BibTeX entry:

  @Manual{,
    title = {ACTCD: Asymptotic Classification Theory for Cognitive
      Diagnosis},
    author = {Chia-Yi Chiu and Wenchao Ma},
    year = {2026},
    note = {R package version 1.4-0},
    url = {https://CRAN.R-project.org/package=ACTCD},
  }