To cite package ‘fastdid’ in publications use:

Tsai L (2026). fastdid: Fast Staggered Difference-in-Difference Estimators. R package version 1.0.7, https://github.com/tsailintung/fastdid.

Corresponding BibTeX entry:

  @Manual{,
    title = {fastdid: Fast Staggered Difference-in-Difference
      Estimators},
    author = {Lin-Tung Tsai},
    year = {2026},
    note = {R package version 1.0.7},
    url = {https://github.com/tsailintung/fastdid},
  }