v1.3.1

What's Changed

• Add R package benchmarks for validation by @igerber in #50
• Add SyntheticDiD Placebo-Based Variance Estimation by @igerber in #51

Full Changelog: v1.3.0...v1.3.1

v1.3.0

What's Changed

• Add Triple Difference (DDD) estimator by @igerber in #48
• Prepare v1.3.0 release by @igerber in #49

Full Changelog: v1.2.1...v1.3.0

v1.2.1

What's Changed

• Test coverage improvements by @igerber in #46

Full Changelog: v1.2.0...v1.2.1

v1.2.0

What's Changed

• Release v1.1.1: Bug fixes and code quality improvements by @igerber in #44
• Add Pre-Trends Power Analysis (Roth 2022) by @igerber in #45

Full Changelog: v1.1.0...v1.2.0

v1.1.0

What's Changed

• Clean up and address top tech debt by @igerber in #37
• Refactor estimators.py to reduce module size by @igerber in #39
• Add Sun-Abraham (2021) interaction-weighted estimator for v1.1.0 by @igerber in #42

Full Changelog: v1.0.0...v1.1.0

v1.0.0

What's Changed

• Documentation updates by @igerber in #29
• Add Goodman-Bacon decomposition for TWFE analysis by @igerber in #30
• Add power analysis tools for DiD study design by @igerber in #31
• Implement CallawaySantAnna Bootstrap feature by @igerber in #32
• Prepare for 1.0.0 release by @igerber in #34

Full Changelog: v0.6.0...v1.0.0

v0.6.0

What's Changed

• Add comprehensive test coverage for utils module by @igerber in #20
• Implement CallawaySantAnna covariate adjustment for conditional parallel trends by @igerber in #22
• Add documentation and edge case tests for covariate adjustment by @igerber in #25
• Add implementation for Honest DiD (Rambachan-Roth) by @igerber in #26
• Build API documentation site by @igerber in #27

Full Changelog: v0.5.0...v0.6.0

v0.5.0

What's Changed

• Add wild cluster bootstrap and placebo tests module (v0.5.0) by @igerber in #16
• Fix quick start guide output accuracy by @igerber in #17
• Fix result summary table to appropriately show the significance level in the table by @igerber in #18
• Fix placebo test examples in README documentation by @igerber in #19

Full Changelog: v0.4.0...v0.5.0

0.4.0

What's Changed

• Add multi-period DiD support by @igerber in #6
• Add Synthetic Difference-in-Differences (SDID) estimator by @igerber in #8
• Improve code quality and reduce technical debt by @igerber in #9
• Add data preparation utilities for easier onboarding by @igerber in #10
• Update documentation to match current codebase by @igerber in #13
• Add Callaway-Sant'Anna estimator and event study visualization by @igerber in #14
• Set up GitHub to auto-publish releases to PyPI, add additional scholarly refs, prep for release by @igerber in #15

Full Changelog: v0.1...0.4.0

v0.1

Initial release

What's Changed

• Add initial diff-diff library implementation by @igerber in #1
• Add fixed effects and absorb parameters to DifferenceInDifferences by @igerber in #2
• Add robust parallel trends testing with Wasserstein distance by @igerber in #3

New Contributors

• @igerber made their first contribution in #1

Full Changelog: https://github.com/igerber/diff-diff/commits/v0.1