To cite package ‘ddpca’ in publications use:

Ke T, Xue L, Yang F (2019). ddpca: Diagonally Dominant Principal Component Analysis. R package version 1.1, https://CRAN.R-project.org/package=ddpca.

Corresponding BibTeX entry:

  @Manual{,
    title = {ddpca: Diagonally Dominant Principal Component Analysis},
    author = {Tracy Ke and Lingzhou Xue and Fan Yang},
    year = {2019},
    note = {R package version 1.1},
    url = {https://CRAN.R-project.org/package=ddpca},
  }