Closed-Loop Measurement

Pick test stores and a campaign start date; we estimate the incremental in-store sales versus the control stores' trend (difference-in-differences).

⚠ Retrospective pilot analysis on historical data — a methodology demo, not a live-campaign result. A live test assigns test/control up front and measures a forward window.

Test setup

Brand (optional — blank = total store sales)

Campaign start (split)

Ad spend (optional, for ROAS)

Test stores (the rest are control)

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Result

Set up a test and click “Measure lift”.