To cite package ‘ddml’ in publications use:

Ahrens A, Hansen C, Schaffer M, Wiemann T (2026). ddml: Double/Debiased Machine Learning. R package version 0.9.0, https://github.com/thomaswiemann/ddml.

Corresponding BibTeX entry:

  @Manual{,
    title = {ddml: Double/Debiased Machine Learning},
    author = {Achim Ahrens and Christian B Hansen and Mark E Schaffer
      and Thomas Wiemann},
    year = {2026},
    note = {R package version 0.9.0},
    url = {https://github.com/thomaswiemann/ddml},
  }