To cite the rags2ridges package in publications please use:

Peeters, C.F.W., Bilgrau, A.E., and van Wieringen, W.N. (2019) rags2ridges: Ridge Estimation of Precision Matrices from High-Dimensional Data. R package version 2.2.1. https://CRAN.R-project.org/package=rags2ridges

Peeters, C.F.W., van de Wiel, M.A., and van Wieringen, W.N. (2016). The Spectral Condition Number Plot for Regularization Parameter Determination. arXiv:1608.04123v1 [stat.CO].

van Wieringen, W.N. and Peeters, C.F.W. (2016). Ridge Estimation of Inverse Covariance Matrices from High-Dimensional Data. Computational Statistics & Data Analysis, vol. 103: 284-303.

Bilgrau, A.E., Peeters, C.F.W., Eriksen, P.S., Boegsted, M., and van Wieringen, W.N. (2015). Targeted Fused Ridge Estimation of Inverse Covariance Matrices from Multiple High-Dimensional Data Classes. arXiv:1509.07982v1 [stat.ME].

van Wieringen, W.N. and Peeters, C.F.W. (2015). Application of a New Ridge Estimator of the Inverse Covariance Matrix to the Reconstruction of Gene-Gene Interaction Networks. In: C. di Serio, P. Lio, A. Nonis, and R. Tagliaferri (Eds.) Computational Intelligence Methods for Bioinformatics and Biostatistics. Lecture Notes in Computer Science, vol. 8623. Springer International Publishing, pp. 170-179.

Corresponding BibTeX entries:

  @Manual{,
    title = {rags2ridges: Ridge Estimation of Precision Matrices from
      High-Dimensional Data},
    author = {C.F.W. Peeters and A.E. Bilgrau and W.N. {van
      Wieringen}},
    year = {2019},
    note = {R package version 2.2.1},
    url = {https://CRAN.R-project.org/package=rags2ridges},
  }

  @Article{,
    title = {The Spectral Condition Number Plot for Regularization
      Parameter Determination},
    author = {C.F.W. Peeters and M.A. {van de Wiel} and W.N. {van
      Wieringen}},
    journal = {arXiv:1608.04123v1 [stat.CO]},
    year = {2016},
  }

  @Article{,
    title = {Ridge Estimation of Inverse Covariance Matrices from
      High-Dimensional Data},
    author = {W.N. {van Wieringen} and C.F.W. Peeters},
    journal = {Computational Statistics & Data Analysis},
    volume = {103},
    pages = {284-303},
    year = {2016},
  }

  @Article{,
    title = {Targeted Fused Ridge Estimation of Inverse Covariance
      Matrices from Multiple High-Dimensional Data Classes},
    author = {A.E. Bilgrau and C.F.W. Peeters and P.S. Eriksen and M.
      Boegsted and W.N. {van Wieringen}},
    journal = {arXiv:1509.07982v1 [stat.ME]},
    year = {2015},
  }

  @InCollection{,
    title = {Application of a New Ridge Estimator of the Inverse
      Covariance Matrix to the Reconstruction of Gene-Gene Interaction
      Networks},
    author = {W.N. {van Wieringen} and C.F.W. Peeters},
    booktitle = {Computational Intelligence Methods for Bioinformatics
      and Biostatistics},
    publisher = {Springer International Publishing},
    year = {2015},
    editor = {C. di Serio and P. Lio and A. Nonis and R. Tagliaferri},
    pages = {-9},
    series = {Lecture Notes in Computer Science},
    volume = {8623},
  }