Rusch T, Mair P (2024). _stops: Structure Optimized Proximity Scaling_.
R package version 1.8-2,
<https://r-forge.r-project.org/projects/stops/>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {stops: Structure Optimized Proximity Scaling},
    author = {Thomas Rusch and Patrick Mair},
    year = {2024},
    note = {R package version 1.8-2},
    url = {https://r-forge.r-project.org/projects/stops/},
  }

If stops() or c-structuredness indices are used, please cite:

  Rusch T, Mair P, Hornik K (2023). “Structure-based hyperparameter
  selection with Bayesian optimization in multidimensional scaling.”
  _Statistics and Computing_, *33*(28), 1-18.
  doi:10.1007/s11222-022-10197-w
  <https://doi.org/10.1007/s11222-022-10197-w>.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Thomas Rusch and Patrick Mair and Kurt Hornik},
    title = {Structure-based hyperparameter selection with {B}ayesian optimization in multidimensional scaling},
    journal = {Statistics and Computing},
    year = {2023},
    volume = {33},
    number = {28},
    pages = {1-18},
    doi = {10.1007/s11222-022-10197-w},
  }

If powerStressMin() is used, please cite:

  de Leeuw J, Groenen P, Mair P (2016). “Minimizing rstress using
  nested majorization.” UCLA. <https://rpubs.com/deleeuw/142619>.

A BibTeX entry for LaTeX users is

  @TechReport{,
    author = {Jan {de Leeuw} and Patrick Groenen and Patrick Mair},
    title = {Minimizing rstress using nested majorization},
    year = {2016},
    url = {https://rpubs.com/deleeuw/142619},
    institution = {UCLA},
  }

If bcStressMin() is used, please cite:

  Chen L, Buja A (2013). “Stress functions for nonlinear dimension
  reduction, proximity analysis, and graph drawing.” _Journal of
  Machine Learning Research_, *14*, 1145-1173.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Lisha Chen and Andreas Buja},
    title = {Stress functions for nonlinear dimension reduction, proximity analysis, and graph drawing.},
    journal = {Journal of Machine Learning Research},
    year = {2013},
    volume = {14},
    pages = {1145-1173},
  }

If lmds() is used, please cite:

  Chen L, Buja A (2009). “Local multidimensional scaling for nonlinear
  dimension reduction, graph drawing, and proximity analysis.” _Journal
  of the American Statistical Association_, *104*, 209-219.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Lisha Chen and Andreas Buja},
    title = {Local multidimensional scaling for nonlinear dimension reduction, graph drawing, and proximity analysis.},
    journal = {Journal of the American Statistical Association},
    year = {2009},
    volume = {104},
    pages = {209-219},
    year = {2009},
  }