De Alwis T, Samadi S, Weng J (2021). itdr: Integral Transformation Methods for SDR in Regression. https://CRAN.R-project.org/package=itdr.

Corresponding BibTeX entry:

  @Manual{,
    title = {{itdr}: Integral Transformation Methods for SDR in
      Regression},
    author = {Tharindu P. {De Alwis} and S. Yaser Samadi and Jiaying
      Weng},
    year = {2021},
    url = {https://CRAN.R-project.org/package=itdr},
  }