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.
| Version: | 1.0.5 | 
| 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 | 
| Published: | 2025-06-23 | 
| DOI: | 10.32614/CRAN.package.fastdid | 
| Author: | Lin-Tung Tsai [aut, cre, cph], Maxwell Kellogg [ctb], Kuan-Ju Tseng [ctb] | 
| Maintainer: | Lin-Tung Tsai <tsaidondon at gmail.com> | 
| BugReports: | https://github.com/TsaiLintung/fastdid/issues | 
| License: | MIT + file LICENSE | 
| URL: | https://github.com/TsaiLintung/fastdid, https://tsailintung.github.io/fastdid/ | 
| NeedsCompilation: | no | 
| Materials: | README, NEWS | 
| CRAN checks: | fastdid results | 
| Reference manual: | fastdid.html , fastdid.pdf | 
| Vignettes: | double (source, R code) misc (source, R code) | 
| Package source: | fastdid_1.0.5.tar.gz | 
| Windows binaries: | r-devel: fastdid_1.0.5.zip, r-release: fastdid_1.0.5.zip, r-oldrel: fastdid_1.0.5.zip | 
| macOS binaries: | r-release (arm64): fastdid_1.0.5.tgz, r-oldrel (arm64): fastdid_1.0.5.tgz, r-release (x86_64): fastdid_1.0.5.tgz, r-oldrel (x86_64): fastdid_1.0.5.tgz | 
| Old sources: | fastdid archive | 
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