DESCRIPTION

Package: fastdid
Type: Package
Title: Fast Staggered Difference-in-Difference Estimators
Version: 1.0.7
Date: 2026-04-29
Authors@R: c(
  person("Lin-Tung","Tsai",
         role = c("aut", "cre", "cph"),
         email = "tsaidondon@gmail.com"),
  person(given = "Maxwell",
         family = "Kellogg",
         role = "ctb"),
  person(given = "Kuan-Ju",
         family = "Tseng",
          role = "ctb"))
Maintainer: Lin-Tung Tsai <tsaidondon@gmail.com>
Description: A fast and flexible implementation of Callaway and Sant'Anna's (2021)<doi:10.1016/j.jeconom.2020.12.001> staggered Difference-in-Differences (DiD) estimators, 'fastdid' reduces the computation time from hours to seconds, and incorporates extensions such as time-varying covariates and multiple events. 
License: MIT + file LICENSE
Depends: R (>= 4.1.0)
Imports:
    data.table (>= 1.15.0),
    stringr,
    BMisc,
    collapse,
    dreamerr (>= 1.4.0),
    parglm,
    ggplot2
Suggests: 
    did,
    knitr,
    parallel,
    rmarkdown,
    tinytest
Encoding: UTF-8
RoxygenNote: 7.3.3
URL: https://github.com/TsaiLintung/fastdid, https://tsailintung.github.io/fastdid/
BugReports: https://github.com/TsaiLintung/fastdid/issues
VignetteBuilder: knitr