To cite package ‘pss’ in publications use:

Oughton R (2026). pss: Propensity Score Sampling for quasi-experimental studies with an external comparison group. R package version 0.0.0.9000, https://github.com/racheloughton/pss.

Corresponding BibTeX entry:

  @Manual{,
    title = {pss: Propensity Score Sampling for quasi-experimental
      studies with an external comparison group},
    author = {Rachel Oughton},
    year = {2026},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/racheloughton/pss},
  }