To cite the R package 'MVar.pt' in publications use:

Ossani PC, Cirillo MA (2021). Projection Pursuit. R package version 1.0.2, https://CRAN.R-project.org/package=Pursuit.

Corresponding BibTeX entry:

  @Manual{,
    title = {Projection Pursuit},
    author = {Paulo Cesar Ossani and Marcelo Angelo Cirillo},
    year = {2021},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=Pursuit},
  }