{"schemaVersion":1,"planHash":"a3ffccedeb8d8ce18a30df3636839f775af1e5188e55a1f685695133135c6e35","input":{"coverage":{"endExclusive":"2026-10","start":"2019-01"},"observations":[{"count":null,"month":"2016-10","status":"missing"},{"count":null,"month":"2016-11","status":"missing"},{"count":null,"month":"2016-12","status":"missing"},{"count":null,"month":"2017-01","status":"missing"},{"count":null,"month":"2017-02","status":"missing"},{"count":null,"month":"2017-03","status":"missing"},{"count":null,"month":"2017-04","status":"missing"},{"count":null,"month":"2017-05","status":"missing"},{"count":null,"month":"2017-06","status":"missing"},{"count":null,"month":"2017-07","status":"missing"},{"count":null,"month":"2017-08","status":"missing"},{"count":null,"month":"2017-09","status":"missing"},{"count":null,"month":"2017-10","status":"missing"},{"count":null,"month":"2017-11","status":"missing"},{"count":null,"month":"2017-12","status":"missing"},{"count":null,"month":"2018-01","status":"missing"},{"count":null,"month":"2018-02","status":"missing"},{"count":null,"month":"2018-03","status":"missing"},{"count":null,"month":"2018-04","status":"missing"},{"count":null,"month":"2018-05","status":"missing"},{"count":null,"month":"2018-06","status":"missing"},{"count":null,"month":"2018-07","status":"missing"},{"count":null,"month":"2018-08","status":"missing"},{"count":null,"month":"2018-09","status":"missing"},{"count":null,"month":"2018-10","status":"missing"},{"count":null,"month":"2018-11","status":"missing"},{"count":null,"month":"2018-12","status":"missing"},{"count":0,"month":"2019-01","status":"complete"},{"count":4,"month":"2019-02","status":"complete"},{"count":30,"month":"2019-03","status":"complete"},{"count":12,"month":"2019-04","status":"complete"},{"count":4,"month":"2019-05","status":"complete"},{"count":1,"month":"2019-06","status":"complete"},{"count":5,"month":"2019-07","status":"complete"},{"count":10,"month":"2019-08","status":"complete"},{"count":12,"month":"2019-09","status":"complete"},{"count":10,"month":"2019-10","status":"complete"},{"count":7,"month":"2019-11","status":"complete"},{"count":4,"month":"2019-12","status":"complete"},{"count":5,"month":"2020-01","status":"complete"},{"count":8,"month":"2020-02","status":"complete"},{"count":3,"month":"2020-03","status":"complete"},{"count":5,"month":"2020-04","status":"complete"},{"count":3,"month":"2020-05","status":"complete"},{"count":0,"month":"2020-06","status":"complete"},{"count":4,"month":"2020-07","status":"complete"},{"count":2,"month":"2020-08","status":"complete"},{"count":4,"month":"2020-09","status":"complete"},{"count":0,"month":"2020-10","status":"complete"},{"count":1,"month":"2020-11","status":"complete"},{"count":9,"month":"2020-12","status":"complete"},{"count":6,"month":"2021-01","status":"complete"},{"count":19,"month":"2021-02","status":"complete"},{"count":10,"month":"2021-03","status":"complete"},{"count":8,"month":"2021-04","status":"complete"},{"count":4,"month":"2021-05","status":"complete"},{"count":0,"month":"2021-06","status":"complete"},{"count":15,"month":"2021-07","status":"complete"},{"count":11,"month":"2021-08","status":"complete"},{"count":1,"month":"2021-09","status":"complete"},{"count":4,"month":"2021-10","status":"complete"},{"count":3,"month":"2021-11","status":"complete"},{"count":1,"month":"2021-12","status":"complete"},{"count":5,"month":"2022-01","status":"complete"},{"count":8,"month":"2022-02","status":"complete"},{"count":12,"month":"2022-03","status":"complete"},{"count":14,"month":"2022-04","status":"complete"},{"count":15,"month":"2022-05","status":"complete"},{"count":8,"month":"2022-06","status":"complete"},{"count":3,"month":"2022-07","status":"complete"},{"count":3,"month":"2022-08","status":"complete"},{"count":3,"month":"2022-09","status":"complete"},{"count":4,"month":"2022-10","status":"complete"},{"count":2,"month":"2022-11","status":"complete"},{"count":0,"month":"2022-12","status":"complete"},{"count":0,"month":"2023-01","status":"complete"},{"count":10,"month":"2023-02","status":"complete"},{"count":9,"month":"2023-03","status":"complete"},{"count":11,"month":"2023-04","status":"complete"},{"count":9,"month":"2023-05","status":"complete"},{"count":9,"month":"2023-06","status":"complete"},{"count":9,"month":"2023-07","status":"complete"},{"count":16,"month":"2023-08","status":"complete"},{"count":0,"month":"2023-09","status":"complete"},{"count":3,"month":"2023-10","status":"complete"},{"count":4,"month":"2023-11","status":"complete"},{"count":7,"month":"2023-12","status":"complete"},{"count":5,"month":"2024-01","status":"complete"},{"count":20,"month":"2024-02","status":"complete"},{"count":5,"month":"2024-03","status":"complete"},{"count":28,"month":"2024-04","status":"complete"},{"count":5,"month":"2024-05","status":"complete"},{"count":14,"month":"2024-06","status":"complete"},{"count":1,"month":"2024-07","status":"complete"},{"count":2,"month":"2024-08","status":"complete"},{"count":5,"month":"2024-09","status":"complete"},{"count":6,"month":"2024-10","status":"complete"},{"count":0,"month":"2024-11","status":"complete"},{"count":1,"month":"2024-12","status":"complete"},{"count":4,"month":"2025-01","status":"complete"},{"count":14,"month":"2025-02","status":"complete"},{"count":7,"month":"2025-03","status":"complete"},{"count":1,"month":"2025-04","status":"complete"},{"count":8,"month":"2025-05","status":"complete"},{"count":7,"month":"2025-06","status":"complete"},{"count":11,"month":"2025-07","status":"complete"},{"count":6,"month":"2025-08","status":"complete"},{"count":4,"month":"2025-09","status":"complete"},{"count":2,"month":"2025-10","status":"complete"},{"count":5,"month":"2025-11","status":"complete"},{"count":10,"month":"2025-12","status":"complete"},{"count":5,"month":"2026-01","status":"complete"},{"count":15,"month":"2026-02","status":"complete"},{"count":14,"month":"2026-03","status":"complete"},{"count":43,"month":"2026-04","status":"complete"},{"count":5,"month":"2026-05","status":"complete"},{"count":21,"month":"2026-06","status":"complete"},{"count":9,"month":"2026-07","status":"complete"},{"count":7,"month":"2026-08","status":"complete"},{"count":12,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":691,"selection":{"dataset":"services","filters":{"area":"76","arrest":"all","domestic":"all","hourEnd":12,"hourStart":6,"status":"all","types":[],"ward":"all"},"period":"monthly","scenario":"normal","service":"potholes","start":"2016-10","view":"chart"},"source":{"cacheStatus":"stale","completeThroughExclusive":"2026-10","coverage":{"endExclusive":"2026-10","start":"2019-01"},"coveragePolicy":"Complete closed calendar periods within the loaded published-record coverage. Counts are not final incidence; corrections remain possible. Unloaded/future periods are missing, not zero.","kind":"socrata","label":"City of Chicago · 311 Service Requests","note":"Source v6vf-nfxy. 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. Current 311 system only, legacy_record=false; includes duplicate requests, not completed work. Status is as currently published, grouped by creation date—not historical status or completion date. 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. Citywide and unassigned-area views use a separate network-backed scope.","publishedUpdatedAt":"2026-11-06T15:33:29.000Z","retrievedAt":"2026-11-06T17:28:32.885Z","snapshotId":"daily-v1:8c35ac8d-21c1-45e9-8c56-8bf32f3df7b0:neighborhood-v2:ee5cc8824f1ae5bf0515860f60fced3f","workingSet":{"area":"76","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":1353}},"totalCount":1793,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:39:30.753Z","inputHash":"5a41badbdd4b576e479cbbc43b6ad893a32fc9a6104e54fe06c3a949173e665c","outcome":{"analysis":{"available":true,"bicGain":0,"boundaries":[],"boundaryRanges":[],"factorRatios":[],"message":"No clear change in celeration under this rule. This does not mean counts were constant.","method":"exploratory-segmented-log10-ols-zero-as-one-v3","mode":"suggested","phases":[{"factorInterval":[0.9901588169004738,1.0816521970251725],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0348949027337235,"intercept":0.5928735115786387,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.00248270797992719,"start":"2019-01","zeroCount":8},"lagOne":0.26045883452199814,"slopeSE":0.0015661581604189026,"sse":14.959945493344318}],"range":{"end":"2026-09","start":"2019-01"},"warnings":["Exploratory description, not a forecast, causal explanation or proof of a change.","Approximate 95% factor intervals assume independent, constant-variance log residuals and fixed boundaries. They do not account for boundary search, serial dependence or source revisions.","Confirmed zeros are treated as 1 only for fitting and its diagnostics. Raw counts stay zero; low-count results depend on this convention.","Independent phase lines may jump at boundaries. Every observation belongs to exactly one phase.","Reporting, classifications and seasonality can change. Counts are not population-adjusted; a level shift without a slope change is not the target of this search.","Uses dated last-good cached data, not newly verified source counts.","8 confirmed zeros fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","At least one factor interval includes 1; its direction is uncertain under this approximation."]},"annualFrequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":2.1449275362318843,"monthlyDelta":6.583333333333333,"priorMonthlyMean":5.75,"priorStart":"2024-10","priorTotal":69,"ratio":2.1449275362318843,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":12.333333333333334,"recentStart":"2025-10","recentTotal":148,"score":0.8513274792385427,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":2.1449275362318843,"monthlyDelta":6.583333333333333,"priorMonthlyMean":5.75,"priorStart":"2024-10","priorTotal":69,"ratio":2.1449275362318843,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":12.333333333333334,"recentStart":"2025-10","recentTotal":148,"score":0.8513274792385427,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"aa4e5714229e4d15374f03d7253fb2625f1ad20f5e0f7487a416ea2ccc08b3ad","phases":[{"factorInterval":[0.9901588169004738,1.0816521970251725],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0348949027337235,"intercept":0.5928735115786387,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.00248270797992719,"start":"2019-01","zeroCount":8},"lagOne":0.26045883452199814,"slopeSE":0.0015661581604189026,"sse":14.959945493344318}],"ranking":{"frequency":0.8513274792385427,"turn":0},"reason":"Review frequency; heuristic thresholds, not confirmed discoveries","reviewContext":false,"status":"candidate","thresholds":{"minFrequencyRatio":1.5,"minMonthlyDelta":5,"minPhaseTotal":120,"minTurn":1.5},"turns":[],"warnings":["Exploratory description, not a forecast, causal explanation or proof of a change.","Approximate 95% factor intervals assume independent, constant-variance log residuals and fixed boundaries. They do not account for boundary search, serial dependence or source revisions.","Confirmed zeros are treated as 1 only for fitting and its diagnostics. Raw counts stay zero; low-count results depend on this convention.","Independent phase lines may jump at boundaries. Every observation belongs to exactly one phase.","Reporting, classifications and seasonality can change. Counts are not population-adjusted; a level shift without a slope change is not the target of this search.","Uses dated last-good cached data, not newly verified source counts.","8 confirmed zeros fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","At least one factor interval includes 1; its direction is uncertain under this approximation.","311 status is its value at retrieval, not at request creation. Newer cohorts have had less time to close; Open/Canceled comparisons can reflect workflow or cohort age rather than changing request volume.","Current-system 311 coverage starts in 2019. Early phases may reflect adoption/reporting ramp-up; request counts are not completed work or incident prevalence.","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. Reporting, classifications and exposure may have changed."]},"runId":"eb56839062f659b3ec99b5b5fa40e27d8e3eb51fa59e0c5e9d95bac2a06a5923","schemaVersion":1,"seriesId":"bf99e1096048ba3169cd7407547b05b701f7bb68251333c61eb1d22d3ae9e599"},"sha256":"f71bbea82c5a57032fcf4c424b3ec3e740bb0005b11ae1a603e2aefe17b9a7f7"}}