To cite package ‘ddc’ in publications use:

Ma R, Jiang B (2022). ddc: Distance Density Clustering Algorithm. R package version 1.0.1, https://CRAN.R-project.org/package=ddc.

Corresponding BibTeX entry:

  @Manual{,
    title = {ddc: Distance Density Clustering Algorithm},
    author = {Ruizhe Ma and Bing Jiang},
    year = {2022},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=ddc},
  }