To cite package ‘DPQ’ in publications use:

Maechler M (2026). DPQ: Density, Probability, Quantile ('DPQ') Computations. R package version 0.6-1, https://r-forge.r-project.org/projects/specfun.

Corresponding BibTeX entry:

  @Manual{,
    title = {DPQ: Density, Probability, Quantile ('DPQ') Computations},
    author = {Martin Maechler},
    year = {2026},
    note = {R package version 0.6-1},
    url = {https://r-forge.r-project.org/projects/specfun},
  }