{"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":96,"month":"2019-03","status":"complete"},{"count":133,"month":"2019-04","status":"complete"},{"count":144,"month":"2019-05","status":"complete"},{"count":502,"month":"2019-06","status":"complete"},{"count":421,"month":"2019-07","status":"complete"},{"count":350,"month":"2019-08","status":"complete"},{"count":263,"month":"2019-09","status":"complete"},{"count":148,"month":"2019-10","status":"complete"},{"count":283,"month":"2019-11","status":"complete"},{"count":278,"month":"2019-12","status":"complete"},{"count":346,"month":"2020-01","status":"complete"},{"count":189,"month":"2020-02","status":"complete"},{"count":485,"month":"2020-03","status":"complete"},{"count":316,"month":"2020-04","status":"complete"},{"count":224,"month":"2020-05","status":"complete"},{"count":235,"month":"2020-06","status":"complete"},{"count":221,"month":"2020-07","status":"complete"},{"count":223,"month":"2020-08","status":"complete"},{"count":369,"month":"2020-09","status":"complete"},{"count":169,"month":"2020-10","status":"complete"},{"count":205,"month":"2020-11","status":"complete"},{"count":698,"month":"2020-12","status":"complete"},{"count":272,"month":"2021-01","status":"complete"},{"count":111,"month":"2021-02","status":"complete"},{"count":319,"month":"2021-03","status":"complete"},{"count":497,"month":"2021-04","status":"complete"},{"count":253,"month":"2021-05","status":"complete"},{"count":429,"month":"2021-06","status":"complete"},{"count":194,"month":"2021-07","status":"complete"},{"count":334,"month":"2021-08","status":"complete"},{"count":162,"month":"2021-09","status":"complete"},{"count":202,"month":"2021-10","status":"complete"},{"count":204,"month":"2021-11","status":"complete"},{"count":158,"month":"2021-12","status":"complete"},{"count":244,"month":"2022-01","status":"complete"},{"count":112,"month":"2022-02","status":"complete"},{"count":260,"month":"2022-03","status":"complete"},{"count":244,"month":"2022-04","status":"complete"},{"count":329,"month":"2022-05","status":"complete"},{"count":329,"month":"2022-06","status":"complete"},{"count":442,"month":"2022-07","status":"complete"},{"count":313,"month":"2022-08","status":"complete"},{"count":202,"month":"2022-09","status":"complete"},{"count":214,"month":"2022-10","status":"complete"},{"count":263,"month":"2022-11","status":"complete"},{"count":163,"month":"2022-12","status":"complete"},{"count":150,"month":"2023-01","status":"complete"},{"count":165,"month":"2023-02","status":"complete"},{"count":207,"month":"2023-03","status":"complete"},{"count":196,"month":"2023-04","status":"complete"},{"count":173,"month":"2023-05","status":"complete"},{"count":193,"month":"2023-06","status":"complete"},{"count":169,"month":"2023-07","status":"complete"},{"count":194,"month":"2023-08","status":"complete"},{"count":192,"month":"2023-09","status":"complete"},{"count":164,"month":"2023-10","status":"complete"},{"count":227,"month":"2023-11","status":"complete"},{"count":187,"month":"2023-12","status":"complete"},{"count":166,"month":"2024-01","status":"complete"},{"count":151,"month":"2024-02","status":"complete"},{"count":390,"month":"2024-03","status":"complete"},{"count":261,"month":"2024-04","status":"complete"},{"count":193,"month":"2024-05","status":"complete"},{"count":444,"month":"2024-06","status":"complete"},{"count":244,"month":"2024-07","status":"complete"},{"count":212,"month":"2024-08","status":"complete"},{"count":209,"month":"2024-09","status":"complete"},{"count":249,"month":"2024-10","status":"complete"},{"count":159,"month":"2024-11","status":"complete"},{"count":176,"month":"2024-12","status":"complete"},{"count":243,"month":"2025-01","status":"complete"},{"count":215,"month":"2025-02","status":"complete"},{"count":245,"month":"2025-03","status":"complete"},{"count":237,"month":"2025-04","status":"complete"},{"count":318,"month":"2025-05","status":"complete"},{"count":283,"month":"2025-06","status":"complete"},{"count":221,"month":"2025-07","status":"complete"},{"count":336,"month":"2025-08","status":"complete"},{"count":350,"month":"2025-09","status":"complete"},{"count":732,"month":"2025-10","status":"complete"},{"count":679,"month":"2025-11","status":"complete"},{"count":344,"month":"2025-12","status":"complete"},{"count":376,"month":"2026-01","status":"complete"},{"count":419,"month":"2026-02","status":"complete"},{"count":405,"month":"2026-03","status":"complete"},{"count":390,"month":"2026-04","status":"complete"},{"count":429,"month":"2026-05","status":"complete"},{"count":563,"month":"2026-06","status":"complete"},{"count":535,"month":"2026-07","status":"complete"},{"count":327,"month":"2026-08","status":"complete"},{"count":409,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":25679,"selection":{"dataset":"services","filters":{"area":"6","arrest":"all","domestic":"all","hourEnd":24,"hourStart":0,"status":"Completed","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-v2:7c5366796c8fa279462ab76237d549c3","workingSet":{"area":"6","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":10966}},"totalCount":25871,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:36:21.220Z","inputHash":"297fbca663cdef20252361a48097da9a94152a2a5b57f9e67fba697981dde1db","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":[1.0257902523343194,1.1049950964089497],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0646563759136194,"intercept":2.153868063756606,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.004534909883421093,"start":"2019-01","zeroCount":1},"lagOne":0.5069348098359351,"slopeSE":0.0013180312616669022,"sse":10.595225349066684}],"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."]},"annualFrequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":1.849604221635884,"monthlyDelta":214.66666666666666,"priorMonthlyMean":252.66666666666666,"priorStart":"2024-10","priorTotal":3032,"ratio":1.849604221635884,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":467.3333333333333,"recentStart":"2025-10","recentTotal":5608,"score":1.1736792681977368,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":1.849604221635884,"monthlyDelta":214.66666666666666,"priorMonthlyMean":252.66666666666666,"priorStart":"2024-10","priorTotal":3032,"ratio":1.849604221635884,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":467.3333333333333,"recentStart":"2025-10","recentTotal":5608,"score":1.1736792681977368,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"79bf8f0b0e8d7a6a7a71601a8d4849eda27aa0b9286dec4dff89a1239a3cc190","phases":[{"factorInterval":[1.0257902523343194,1.1049950964089497],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0646563759136194,"intercept":2.153868063756606,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.004534909883421093,"start":"2019-01","zeroCount":1},"lagOne":0.5069348098359351,"slopeSE":0.0013180312616669022,"sse":10.595225349066684}],"ranking":{"frequency":1.1736792681977368,"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.","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":"aa862ea2da5e709369a1ace699c1105d78d97f04e8efbc2c9a7951c0333198d3","schemaVersion":1,"seriesId":"b5b553b1e0d6a1c3db5d497295e90dc2da4f1cb1013b49f39167b5d74197da8d"},"sha256":"08aa2bd1a96509411b5c660eff22afcdb07bfbf4fc622ece703ec0223c01751c"}}