EquiTrends
Equivalence Testing for Pre-Trends in Difference-in-Differences Designs
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>.
Versions across snapshots
| Version | Repository | File | Size |
|---|---|---|---|
1.0.0 |
rolling source/ R- | EquiTrends_1.0.0.tar.gz |
112.3 KiB |
1.0.0 |
latest source/ R- | EquiTrends_1.0.0.tar.gz |
112.3 KiB |
1.0.0 |
2026-04-23 source/ R- | EquiTrends_1.0.0.tar.gz |
112.3 KiB |
1.0.0 |
2026-04-09 windows/windows R-4.5 | EquiTrends_1.0.0.zip |
549.1 KiB |