To cite package ‘factormodel’ in publications use:

Hwang Y (2021). factormodel: Factor Model Estimation Using Proxy Variables. R package version 1.0, https://github.com/yujunghwang/factormodel.

Corresponding BibTeX entry:

  @Manual{,
    title = {factormodel: Factor Model Estimation Using Proxy
      Variables},
    author = {Yujung Hwang},
    year = {2021},
    note = {R package version 1.0},
    url = {https://github.com/yujunghwang/factormodel},
  }