Wave 4 Tier A drain: EfficientDiD anticipation note, generate_ddd_panel_data, TROP data-setup helper#455

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wave-4-tier-a-drain

May 16, 2026

Commits on May 16, 2026

efficient_did: align REGISTRY note with last_cohort × anticipation trim

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prep_dgp: add generate_ddd_panel_data for panel DDD power analysis

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trop: extract shared data-setup helper from fit() and _fit_global()

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todo: drain items 2/3/4 from Tier A backlog

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prep_dgp: guarantee all (group, partition) cells in generate_ddd_panel_data

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prep_dgp: document and test cluster="unit" pattern for panel DGP

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