To cite orthoDr in publications use:

Zhao, R., Zhang, J., Zhu, R. (2018). An Orthogonality Constrained Optimization Approach for Semi-Parametric Dimension Reduction Problems, R package version 0.5.1.

Sun, Q., Zhu, R., Wang, T., & Zeng, D. (2017). Counting Process Based Dimension Reduction Method for Censored Outcomes. arXiv preprint arXiv:1704.05046

Ma, Y. & Zhu, L. (2012). A semiparametric approach to dimension reduction. Journal of the American Statistical Association, 107(497)

Corresponding BibTeX entries:

  @Manual{,
    title = {An Orthogonality Constrained Optimization Approach for
      Semi-Parametric Dimension Reduction Problems},
    author = {Ruilin Zhao and Jiyang Zhang and Ruoqing Zhu},
    publisher = {manual},
    year = {2018},
    note = {R package version 0.5.1},
    url = {https://cran.r-project.org/package=orthoDr},
    pdf =
      {https://cran.r-project.org/web/packages/orthoDr/orthoDr.pdf},
  }
  @Article{,
    title = {Counting Process Based Dimension Reduction Method for
      Censored Outcomes},
    author = {Qiang Sun and Ruoqing Zhu and Tao Wang and Donglin Zeng},
    journal = {arXiv preprint arXiv:1704.05046},
    year = {2017},
    url = {https://arxiv.org/pdf/1704.05046.pdf},
  }
  @Article{,
    title = {A semiparametric approach to dimension reduction},
    author = {Yanyuan Ma and Liping Zhu},
    journal = {Journal of the American Statistical Association},
    year = {2012},
    url =
      {http://www.tandfonline.com/doi/abs/10.1080/01621459.2011.646925},
  }