To cite package ‘opdisDownsampling’ in publications use:

  Jorn Lotsch, Sebastian Malkusch, and Alfred Ultsch (2021). Optimal
  distribution-preserving downsampling of large biomedical data sets
  (opdisDownsampling). PLoS One 2021 Aug 5;16(8):e0255838.
  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0255838.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Optimal distribution-preserving downsampling of large biomedical data sets (opdisDownsampling)},
    journal = {PLoS One},
    volume = {16},
    number = {9},
    pages = {e0255838},
    year = {2021},
    issn = {2352-9148},
    doi = {10.1371/journal.pone.0255838},
    url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0255838},
    author = {Jörn Lötsch and Sebastian Malkusch and Alfred Ultsch},
  }