To cite package ‘PLFD’ in publications use:

Xu Z, Luo S, Chen Z (2025). PLFD: Portmanteau Local Feature Discrimination for Matrix-Variate Data. R package version 0.2.1, https://CRAN.R-project.org/package=PLFD.

Corresponding BibTeX entry:

  @Manual{,
    title = {PLFD: Portmanteau Local Feature Discrimination for
      Matrix-Variate Data},
    author = {Zengchao Xu and Shan Luo and Zehua Chen},
    year = {2025},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=PLFD},
  }