To cite package ‘PLFD’ in publications use:

  Xu Z, Luo S, Chen Z (2023). _PLFD: Portmanteau Local Feature
  Discrimination for Matrix-Variate Data_. R package version 0.2.0,
  <https://CRAN.R-project.org/package=PLFD>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PLFD: Portmanteau Local Feature Discrimination for Matrix-Variate Data},
    author = {Zengchao Xu and Shan Luo and Zehua Chen},
    year = {2023},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=PLFD},
  }