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Counts are not final incidence; corrections remain possible. Unloaded/future periods are missing, not zero.","kind":"socrata","label":"City of Chicago · Business Licenses","note":"Source xqx5-8hwx. Joint day/category/hour/applicable-flag/ward/status counts; no addresses, coordinates or incident identifiers. Each year's cells reconcile with an independent source total. Reads are not an atomic publisher snapshot. License records by term start, including renewals; not new businesses. Ward is as published, not reconstructed historical boundaries. Prepared daily community-area snapshot; scheduled rebuild at 06:00 America/Chicago. Full supported history is rechecked for corrections. Retrieval timestamps are preserved; this is not a real-time feed.  Local indexed neighborhood snapshot. Totals are for the loaded area before other filters, not citywide totals. 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Category/ward changes and administrative practice can affect counts; these are not business openings, closures or employment.","Business frequency screening compares adjacent 24-month windows, requiring 48 complete months. The 12-month comparison is context only. Fixed two-year windows reduce renewal-calendar mismatch; they are not seasonal adjustment, proof of a renewal mechanism, or a test of stability.","Window assessment: annual-only. Annual-only flags do not enter the frequency ranking. Opposite directions and short history must not be described as persistent changes.","Many dependent filter conditions were searched. No multiple-testing-adjusted significance or causal attribution is claimed.","Frequency compares fixed equal-length windows of raw counts, not population risk or a celeration-factor ratio. 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