To cite polykde in publications use:

García-Portugués, E. (2025). polykde: Polyspherical Kernel Density Estimation. R package version 1.1.7. https://CRAN.R-project.org/package=polykde

García-Portugués, E. and Meilán-Vila, A. (2025). Kernel density estimation with polyspherical data and its applications. Journal of the American Statistical Association, to appear. https://doi.org/10.1080/01621459.2025.2521898

Corresponding BibTeX entries:

  @Manual{,
    title = {{polykde}: Polyspherical Kernel Density Estimation},
    author = {Eduardo García-Portugués},
    year = {2025},
    note = {R package version 1.1.7},
    url = {https://CRAN.R-project.org/package=polykde},
  }

  @Article{,
    title = {Kernel density estimation with polyspherical data and its
      applications},
    author = {Eduardo García-Portugués and Andrea Meilán-Vila},
    journal = {Journal of the American Statistical Association},
    year = {2025},
    volume = {to appear},
    url = {https://doi.org/10.1080/01621459.2025.2521898},
  }