To cite package ‘ssdse’ in publications use:

  Uryu S (2024). _ssdse: Utilities for Standardized Statistical Data
  Set for Education_. R package version 0.1.0,
  <https://github.com/uribo/ssdse>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ssdse: Utilities for Standardized Statistical Data Set for Education},
    author = {Shinya Uryu},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/uribo/ssdse},
  }