To cite package ‘o2plsda’ in publications use:

  Guo K, Hur J, Feldman E (2022). _o2plsda: Multiomics Data
  Integration_. R package version 0.0.25,
  <https://github.com/guokai8/o2plsda>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {o2plsda: Multiomics Data Integration},
    author = {Kai Guo and Junguk Hur and Eva Feldman},
    year = {2022},
    note = {R package version 0.0.25},
    url = {https://github.com/guokai8/o2plsda},
  }