To cite package ‘testtwice’ in publications use:

Rosenbaum PR (2020). testtwice: Testing One Hypothesis Twice in Observational Studies. R package version 1.0.3, https://CRAN.R-project.org/package=testtwice.

ATTENTION: This citation information has been auto-generated from the package DESCRIPTION file and may need manual editing, see ‘help("citation")’.

Corresponding BibTeX entry:

  @Manual{,
    title = {testtwice: Testing One Hypothesis Twice in Observational
      Studies},
    author = {Paul R. Rosenbaum},
    year = {2020},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=testtwice},
  }