To cite package ‘robustSFA’ in publications use:

Song J, Oh D (2025). robustSFA: Robust Estimation of Stochastic Frontier Models with MDPDE. R package version 0.2.0, https://CRAN.R-project.org/package=robustSFA.

Corresponding BibTeX entry:

  @Manual{,
    title = {robustSFA: Robust Estimation of Stochastic Frontier Models
      with MDPDE},
    author = {Junmo Song and Dong-hyun Oh},
    year = {2025},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=robustSFA},
  }