To cite package ‘FactChar’ in publications use:

  Dash S, Kumar V, Yadav S, Kumar A, Verma M (2025). _FactChar:
  Characterization and Diagnostic Tools for Factorial Block Designs_. R
  package version 1.0, <https://CRAN.R-project.org/package=FactChar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {FactChar: Characterization and Diagnostic Tools for Factorial Block
Designs},
    author = {Sukanta Dash and Vankudoth Kumar and Sunil Kumar Yadav and Anil Kumar and Med Ram Verma},
    year = {2025},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=FactChar},
  }