To cite package ‘MTSYS’ in publications use:

Okayama A (2021). MTSYS: Methods in Mahalanobis-Taguchi (MT) System. R package version 1.2.1, https://github.com/okayaa/mtsys.

Corresponding BibTeX entry:

  @Manual{,
    title = {MTSYS: Methods in Mahalanobis-Taguchi (MT) System},
    author = {Akifumi Okayama},
    year = {2021},
    note = {R package version 1.2.1},
    url = {https://github.com/okayaa/mtsys},
  }