To cite package ‘pcaPP’ in publications use:

Filzmoser P, Fritz H, Kalcher K (2026). pcaPP: Robust PCA by Projection Pursuit. R package version 2.0-7, https://github.com/valentint/pcapp.

Corresponding BibTeX entry:

  @Manual{,
    title = {pcaPP: Robust PCA by Projection Pursuit},
    author = {Peter Filzmoser and Heinrich Fritz and Klaudius Kalcher},
    year = {2026},
    note = {R package version 2.0-7},
    url = {https://github.com/valentint/pcapp},
  }