@Manual{R,
    title = {\proglang{R}: {A} Language and Environment for Statistical Computing},
    author = {{\proglang{R} Core Team}},
    organization = {\proglang{R} Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2020},
    url = {https://www.R-project.org/},
}

@Manual{pkg:MAVE,
    title = {\pkg{MAVE}: Methods for Dimension Reduction},
    author = {Hang Weiqiang and Xia Yingcun},
    year = {2019},
    note = {\proglang{R} package version 1.3.10},
    url = {https://CRAN.R-project.org/package=MAVE}
}

@Book{pkg:MASS,
    title = {Modern Applied Statistics with S},
    author = {W. N. Venables and B. D. Ripley},
    publisher = {Springer},
    edition = {Fourth},
    address = {New York},
    year = {2002},
    note = {ISBN 0-387-95457-0},
    url = {http://www.stats.ox.ac.uk/pub/MASS4/}
}

@Manual{pkg:mda,
    title = {\pkg{mda}: Mixture and Flexible Discriminant Analysis},
    author = {S original by Trevor Hastie & Robert Tibshirani. Original R port by Friedrich Leisch and Kurt Hornik and Brian D. Ripley.},
    year = {2017},
    note = {\proglang{R} package version 0.4-10},
    url = {https://CRAN.R-project.org/package=mda}
}