To cite package ‘WPKDE’ in publications use:

Liu X, Ye K, Wang S, Liu X, Yu T (2025). WPKDE: Weighted Piecewise Kernel Density Estimation. R package version 1.0, https://CRAN.R-project.org/package=WPKDE.

Corresponding BibTeX entry:

  @Manual{,
    title = {WPKDE: Weighted Piecewise Kernel Density Estimation},
    author = {Xiaotong Liu and Kunyu Ye and Siyao Wang and Xudong Liu
      and Tianwei Yu},
    year = {2025},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=WPKDE},
  }