To cite package ‘NPCox’ in publications use:

Yang Q, Yang K (2024). NPCox: Nonparametric and Semiparametric Proportional Hazards Model. R package version 1.3, https://CRAN.R-project.org/package=NPCox.

Corresponding BibTeX entry:

  @Manual{,
    title = {NPCox: Nonparametric and Semiparametric Proportional
      Hazards Model},
    author = {Qi Yang and Kuan Yang},
    year = {2024},
    note = {R package version 1.3},
    url = {https://CRAN.R-project.org/package=NPCox},
  }