To cite package ‘OPC’ in publications use:

Wei C, Guo G (2023). OPC: The Online Principal Component Estimation Method. R package version 0.0.2, https://CRAN.R-project.org/package=OPC.

Corresponding BibTeX entry:

  @Manual{,
    title = {OPC: The Online Principal Component Estimation Method},
    author = {Chunjie Wei and Guangbao Guo},
    year = {2023},
    note = {R package version 0.0.2},
    url = {https://CRAN.R-project.org/package=OPC},
  }