To cite package ‘GCCfactor’ in publications use:

Lin R, Shin Y (2026). GCCfactor: GCC Estimation of the Multilevel Factor Model. R package version 1.2.1, https://github.com/rl1081/gccfactor.

Corresponding BibTeX entry:

  @Manual{,
    title = {GCCfactor: GCC Estimation of the Multilevel Factor Model},
    author = {Rui Lin and Yongcheol Shin},
    year = {2026},
    note = {R package version 1.2.1},
    url = {https://github.com/rl1081/gccfactor},
  }