Sun K (2026). spscsfa: Semiparametric Smooth-Coefficient Stochastic Frontier Analysis. R package version 0.1.0, https://CRAN.R-project.org/package=spscsfa.

Corresponding BibTeX entry:

  @Manual{,
    title = {spscsfa: Semiparametric Smooth-Coefficient Stochastic
      Frontier Analysis},
    author = {Kai Sun},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=spscsfa},
  }