{"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":1,"month":"2019-02","status":"complete"},{"count":35,"month":"2019-03","status":"complete"},{"count":27,"month":"2019-04","status":"complete"},{"count":63,"month":"2019-05","status":"complete"},{"count":243,"month":"2019-06","status":"complete"},{"count":148,"month":"2019-07","status":"complete"},{"count":146,"month":"2019-08","status":"complete"},{"count":125,"month":"2019-09","status":"complete"},{"count":82,"month":"2019-10","status":"complete"},{"count":96,"month":"2019-11","status":"complete"},{"count":118,"month":"2019-12","status":"complete"},{"count":193,"month":"2020-01","status":"complete"},{"count":96,"month":"2020-02","status":"complete"},{"count":129,"month":"2020-03","status":"complete"},{"count":99,"month":"2020-04","status":"complete"},{"count":100,"month":"2020-05","status":"complete"},{"count":97,"month":"2020-06","status":"complete"},{"count":45,"month":"2020-07","status":"complete"},{"count":60,"month":"2020-08","status":"complete"},{"count":132,"month":"2020-09","status":"complete"},{"count":54,"month":"2020-10","status":"complete"},{"count":52,"month":"2020-11","status":"complete"},{"count":210,"month":"2020-12","status":"complete"},{"count":50,"month":"2021-01","status":"complete"},{"count":21,"month":"2021-02","status":"complete"},{"count":107,"month":"2021-03","status":"complete"},{"count":110,"month":"2021-04","status":"complete"},{"count":65,"month":"2021-05","status":"complete"},{"count":89,"month":"2021-06","status":"complete"},{"count":162,"month":"2021-07","status":"complete"},{"count":155,"month":"2021-08","status":"complete"},{"count":78,"month":"2021-09","status":"complete"},{"count":53,"month":"2021-10","status":"complete"},{"count":75,"month":"2021-11","status":"complete"},{"count":68,"month":"2021-12","status":"complete"},{"count":56,"month":"2022-01","status":"complete"},{"count":38,"month":"2022-02","status":"complete"},{"count":136,"month":"2022-03","status":"complete"},{"count":84,"month":"2022-04","status":"complete"},{"count":147,"month":"2022-05","status":"complete"},{"count":63,"month":"2022-06","status":"complete"},{"count":74,"month":"2022-07","status":"complete"},{"count":95,"month":"2022-08","status":"complete"},{"count":90,"month":"2022-09","status":"complete"},{"count":91,"month":"2022-10","status":"complete"},{"count":103,"month":"2022-11","status":"complete"},{"count":70,"month":"2022-12","status":"complete"},{"count":83,"month":"2023-01","status":"complete"},{"count":88,"month":"2023-02","status":"complete"},{"count":73,"month":"2023-03","status":"complete"},{"count":95,"month":"2023-04","status":"complete"},{"count":104,"month":"2023-05","status":"complete"},{"count":133,"month":"2023-06","status":"complete"},{"count":49,"month":"2023-07","status":"complete"},{"count":61,"month":"2023-08","status":"complete"},{"count":106,"month":"2023-09","status":"complete"},{"count":122,"month":"2023-10","status":"complete"},{"count":107,"month":"2023-11","status":"complete"},{"count":82,"month":"2023-12","status":"complete"},{"count":81,"month":"2024-01","status":"complete"},{"count":110,"month":"2024-02","status":"complete"},{"count":115,"month":"2024-03","status":"complete"},{"count":110,"month":"2024-04","status":"complete"},{"count":99,"month":"2024-05","status":"complete"},{"count":128,"month":"2024-06","status":"complete"},{"count":79,"month":"2024-07","status":"complete"},{"count":81,"month":"2024-08","status":"complete"},{"count":106,"month":"2024-09","status":"complete"},{"count":179,"month":"2024-10","status":"complete"},{"count":133,"month":"2024-11","status":"complete"},{"count":83,"month":"2024-12","status":"complete"},{"count":86,"month":"2025-01","status":"complete"},{"count":89,"month":"2025-02","status":"complete"},{"count":124,"month":"2025-03","status":"complete"},{"count":97,"month":"2025-04","status":"complete"},{"count":171,"month":"2025-05","status":"complete"},{"count":128,"month":"2025-06","status":"complete"},{"count":128,"month":"2025-07","status":"complete"},{"count":111,"month":"2025-08","status":"complete"},{"count":85,"month":"2025-09","status":"complete"},{"count":116,"month":"2025-10","status":"complete"},{"count":97,"month":"2025-11","status":"complete"},{"count":61,"month":"2025-12","status":"complete"},{"count":72,"month":"2026-01","status":"complete"},{"count":91,"month":"2026-02","status":"complete"},{"count":84,"month":"2026-03","status":"complete"},{"count":43,"month":"2026-04","status":"complete"},{"count":64,"month":"2026-05","status":"complete"},{"count":55,"month":"2026-06","status":"complete"},{"count":47,"month":"2026-07","status":"complete"},{"count":75,"month":"2026-08","status":"complete"},{"count":50,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":8712,"selection":{"dataset":"services","filters":{"area":"7","arrest":"all","domestic":"all","hourEnd":18,"hourStart":12,"status":"all","types":[],"ward":"all"},"period":"monthly","scenario":"normal","service":"graffiti","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":"2026-11-06T11:22:56.000Z","retrievedAt":"2026-11-06T12:10:53.153Z","snapshotId":"daily-v1:f761b44d-f9db-4d57-b536-48aea9b60f93:neighborhood-v2:acc1ef7a5b144b44fbd3ba8a125eeb6b","workingSet":{"area":"7","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":9279}},"totalCount":21696,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:36:24.158Z","inputHash":"ed8f9c09e4133063ca6958b500ad8f3553ace634e0b0dfadb919bab2f8f5c308","outcome":{"analysis":{"available":true,"bicGain":0,"boundaries":[],"boundaryRanges":[],"factorRatios":[],"message":"Phase suggestions withheld: serial pattern remains in the candidate fits. Manual boundaries can explore, not confirm, a change.","method":"exploratory-segmented-log10-ols-zero-as-one-v3","mode":"suggested","phases":[{"factorInterval":[0.9991309209614019,1.0745149905086442],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0361376125079784,"intercept":1.7820139502201067,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0025695731962493092,"start":"2019-01","zeroCount":1},"lagOne":0.5048009715260239,"slopeSE":0.0012889911304528174,"sse":10.133480444616676}],"range":{"end":"2026-09","start":"2019-01"},"suggestionBlockedReason":"serial-pattern","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.","1 confirmed zero fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","The best candidate failed the residual-independence diagnostic. A single-trend reference is shown instead; this does not establish a stable trend.","Serial pattern in residuals: independence is doubtful; the reported intervals may be too narrow. Seasonality is not modeled.","At least one factor interval includes 1; its direction is uncertain under this approximation."]},"annualFrequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":1.6538011695906434,"monthlyDelta":-46.583333333333336,"priorMonthlyMean":117.83333333333333,"priorStart":"2024-10","priorTotal":1414,"ratio":0.6046676096181046,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":71.25,"recentStart":"2025-10","recentTotal":855,"score":0.8268040785239997,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":1.6538011695906434,"monthlyDelta":-46.583333333333336,"priorMonthlyMean":117.83333333333333,"priorStart":"2024-10","priorTotal":1414,"ratio":0.6046676096181046,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":71.25,"recentStart":"2025-10","recentTotal":855,"score":0.8268040785239997,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"25d1c04006e315d86cbac6ef3847f91919c64f74bd9784cd4f25ed3ee05c1036","phases":[{"factorInterval":[0.9991309209614019,1.0745149905086442],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0361376125079784,"intercept":1.7820139502201067,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0025695731962493092,"start":"2019-01","zeroCount":1},"lagOne":0.5048009715260239,"slopeSE":0.0012889911304528174,"sse":10.133480444616676}],"ranking":{"frequency":0.8268040785239997,"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.","1 confirmed zero fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","The best candidate failed the residual-independence diagnostic. A single-trend reference is shown instead; this does not establish a stable trend.","Serial pattern in residuals: independence is doubtful; the reported intervals may be too narrow. Seasonality is not modeled.","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":"9dabf5695948532addc103104d9bf89433736d41d29b1ac31e2cdfe9e0c55b32","schemaVersion":1,"seriesId":"0a943cc1640925a319f18dedf3b322983738a4398ec9a77d2e4003eb8174d42e"},"sha256":"1dee88b0286eb43b5f370bf05c5059c3d12bf77ecc542ec73dfd4d1923aef54f"}}