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staggR: Fit Difference-in-Differences Models with Staggered Interventions

Fits linear difference-in-differences models in scenarios where intervention roll-outs are staggered over time. The package implements a version of an approach proposed by Sun and Abraham (2021) <doi:10.1016/j.jeconom.2020.09.006> to estimate cohort- and time-since-treatment specific difference-in-differences parameters, and it provides convenience functions both for specifying the model and for flexibly aggregating coefficients to answer a variety of research questions.

Version: 0.1.1
Depends: R (≥ 4.1)
Imports: ggplot2 (≥ 3.0.0)
Suggests: knitr, rmarkdown, sandwich
Published: 2026-01-14
DOI: 10.32614/CRAN.package.staggR
Author: Kyle Hart ORCID iD [aut, cre, cph], Stephan Lindner [aut]
Maintainer: Kyle Hart <hartky at ohsu.edu>
BugReports: https://github.com/chse-ohsu/staggR/issues
License: GPL-3
URL: https://github.com/chse-ohsu/staggR
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: staggR results

Documentation:

Reference manual: staggR.html , staggR.pdf
Vignettes: staggR (source, R code)

Downloads:

Package source: staggR_0.1.1.tar.gz
Windows binaries: r-devel: staggR_0.1.1.zip, r-release: staggR_0.1.1.zip, r-oldrel: staggR_0.1.1.zip
macOS binaries: r-release (arm64): staggR_0.1.1.tgz, r-oldrel (arm64): staggR_0.1.1.tgz, r-release (x86_64): staggR_0.1.1.tgz, r-oldrel (x86_64): staggR_0.1.1.tgz

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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