Add Staggered Triple Difference estimator#245

Merged

igerber merged 12 commits into

mainfrom

Mar 30, 2026

Commits on Mar 29, 2026

Add Staggered Triple Difference estimator (Ortiz-Villavicencio & Sant'Anna 2025)

igerber
and
claude
committed
Address AI review feedback: validation, bootstrap, results metadata

igerber
and
claude
committed

Commits on Mar 30, 2026

Fix P0/P1 review issues and CI failure

igerber
and
claude
committed
Address remaining review feedback: CSV fixtures, DGP guard, REGISTRY docs

igerber
and
claude
committed
Fix aggregation WIF population and rank_deficient_action

igerber
and
claude
committed
Fix WIF population consistency: zero df first_treat for ineligible units

igerber
and
claude
committed
Fix universal base period skip and comparison-cohort REGISTRY docs

igerber
and
claude
committed
Document comparison-cohort rule deviation from paper

igerber
and
claude
committed
Add warnings for silent cell drops and fix NaN pscore caching

igerber
and
claude
committed
Add regression tests for warning paths and PS cache with collinearity

igerber
and
claude
committed
Tighten validation and R parity test assertions

igerber
and
claude
committed
Recompute size_gt from surviving comparison cohorts only

igerber
and
claude
committed