Add EfficientDiD estimator (Chen, Sant'Anna & Xie 2025)#192

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Mar 14, 2026

Commits on Mar 8, 2026

Add EfficientDiD estimator (Chen, Sant'Anna & Xie 2025, Phase 1)

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Address PR #192 review feedback: fix PT-Post baseline, add WIF correction, harden validation

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Fix PT-All index set, bootstrap NaN filtering, and cohort drop warning

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Address PR #192 review (Round 3): add param validation, fix WIF test, document conventions

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Address PR #192 review (Round 4): fix balance_e NaN mismatch, reject duplicate rows, strengthen docs

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Address PR #192 review (Round 5): balance_e empty warning, inline comments for repeat false positives

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Commits on Mar 14, 2026

Address PR #192 review (Round 7): fix REGISTRY labels, remove unused params, add inline comments

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