EquiTrends: Equivalence Testing for Pre-Trends in Difference-in-DifferencesDesigns
Testing for parallel trends is crucial in the Difference-in-Differences framework. To this end, this package performs equivalence testing in the context of Difference-in-Differences estimation. It allows users to test if pre-treatment trends in the treated group are “equivalent” to those in the control group. Here, “equivalence” means that rejection of the null hypothesis implies that a function of the pre-treatment placebo effects (maximum absolute, average or root mean squared value) does not exceed a pre-specified threshold below which trend differences are considered negligible. The package is based on the theory developed in Dette & Schumann (2024) <doi:10.1080/07350015.2024.2308121>.
| Version: | 1.0.0 |
| Depends: | R (≥ 3.5.0) |
| Imports: | clubSandwich,nloptr,dplyr,rlang,plm,Rcpp (≥ 1.0.12),RcppParallel, stats,VGAM |
| LinkingTo: | Rcpp,RcppArmadillo,RcppParallel |
| Suggests: | testthat (≥ 3.0.0) |
| Published: | 2024-09-03 |
| DOI: | 10.32614/CRAN.package.EquiTrends |
| Author: | Ties Bos [aut, cre], Martin Schumann [ctb] |
| Maintainer: | Ties Bos <tc.bos at student.maastrichtuniversity.nl> |
| BugReports: | https://github.com/TiesBos/EquiTrends/issues |
| License: | MIT + fileLICENSE |
| URL: | https://github.com/TiesBos/EquiTrends |
| NeedsCompilation: | yes |
| Materials: | README,NEWS |
| CRAN checks: | EquiTrends results |
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