Mair P, De Leeuw J, Hornik K (2025). isotone: Active Set and Generalized PAVA for Isotone Optimization. doi:10.32614/CRAN.package.isotone, R package version 1.1-2, https://CRAN.R-project.org/package=isotone.

de Leeuw J, Hornik K, mair P (2009). “Isotone Optimization in R: Pool-Adjacent-Violators Algorithm (PAVA) and Active Set Methods.” Journal of Statistical Software, 32(5), 1–24. https://doi.org/10.18637/jss.v032.i05.

Corresponding BibTeX entries:

  @Manual{,
    title = {isotone: Active Set and Generalized PAVA for Isotone
      Optimization},
    author = {Patrick Mair and Jan {De Leeuw} and Kurt Hornik},
    year = {2025},
    note = {R package version 1.1-2},
    url = {https://CRAN.R-project.org/package=isotone},
    doi = {10.32614/CRAN.package.isotone},
  }

  @Article{,
    title = {Isotone Optimization in {R}: Pool-Adjacent-Violators
      Algorithm (PAVA) and Active Set Methods},
    author = {Jan {de Leeuw} and Kurt Hornik and Patrick mair},
    journal = {Journal of Statistical Software},
    year = {2009},
    volume = {32},
    number = {5},
    pages = {1--24},
    url = {https://doi.org/10.18637/jss.v032.i05},
  }