{"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":1,"month":"2019-01","status":"complete"},{"count":11,"month":"2019-02","status":"complete"},{"count":16,"month":"2019-03","status":"complete"},{"count":8,"month":"2019-04","status":"complete"},{"count":10,"month":"2019-05","status":"complete"},{"count":20,"month":"2019-06","status":"complete"},{"count":19,"month":"2019-07","status":"complete"},{"count":19,"month":"2019-08","status":"complete"},{"count":1,"month":"2019-09","status":"complete"},{"count":11,"month":"2019-10","status":"complete"},{"count":4,"month":"2019-11","status":"complete"},{"count":3,"month":"2019-12","status":"complete"},{"count":6,"month":"2020-01","status":"complete"},{"count":3,"month":"2020-02","status":"complete"},{"count":14,"month":"2020-03","status":"complete"},{"count":9,"month":"2020-04","status":"complete"},{"count":6,"month":"2020-05","status":"complete"},{"count":0,"month":"2020-06","status":"complete"},{"count":0,"month":"2020-07","status":"complete"},{"count":1,"month":"2020-08","status":"complete"},{"count":3,"month":"2020-09","status":"complete"},{"count":0,"month":"2020-10","status":"complete"},{"count":4,"month":"2020-11","status":"complete"},{"count":2,"month":"2020-12","status":"complete"},{"count":12,"month":"2021-01","status":"complete"},{"count":5,"month":"2021-02","status":"complete"},{"count":14,"month":"2021-03","status":"complete"},{"count":12,"month":"2021-04","status":"complete"},{"count":2,"month":"2021-05","status":"complete"},{"count":3,"month":"2021-06","status":"complete"},{"count":3,"month":"2021-07","status":"complete"},{"count":2,"month":"2021-08","status":"complete"},{"count":3,"month":"2021-09","status":"complete"},{"count":6,"month":"2021-10","status":"complete"},{"count":3,"month":"2021-11","status":"complete"},{"count":4,"month":"2021-12","status":"complete"},{"count":4,"month":"2022-01","status":"complete"},{"count":1,"month":"2022-02","status":"complete"},{"count":10,"month":"2022-03","status":"complete"},{"count":15,"month":"2022-04","status":"complete"},{"count":7,"month":"2022-05","status":"complete"},{"count":5,"month":"2022-06","status":"complete"},{"count":7,"month":"2022-07","status":"complete"},{"count":8,"month":"2022-08","status":"complete"},{"count":5,"month":"2022-09","status":"complete"},{"count":3,"month":"2022-10","status":"complete"},{"count":5,"month":"2022-11","status":"complete"},{"count":2,"month":"2022-12","status":"complete"},{"count":5,"month":"2023-01","status":"complete"},{"count":11,"month":"2023-02","status":"complete"},{"count":6,"month":"2023-03","status":"complete"},{"count":19,"month":"2023-04","status":"complete"},{"count":7,"month":"2023-05","status":"complete"},{"count":0,"month":"2023-06","status":"complete"},{"count":8,"month":"2023-07","status":"complete"},{"count":8,"month":"2023-08","status":"complete"},{"count":17,"month":"2023-09","status":"complete"},{"count":8,"month":"2023-10","status":"complete"},{"count":2,"month":"2023-11","status":"complete"},{"count":4,"month":"2023-12","status":"complete"},{"count":7,"month":"2024-01","status":"complete"},{"count":15,"month":"2024-02","status":"complete"},{"count":18,"month":"2024-03","status":"complete"},{"count":17,"month":"2024-04","status":"complete"},{"count":4,"month":"2024-05","status":"complete"},{"count":15,"month":"2024-06","status":"complete"},{"count":13,"month":"2024-07","status":"complete"},{"count":13,"month":"2024-08","status":"complete"},{"count":8,"month":"2024-09","status":"complete"},{"count":1,"month":"2024-10","status":"complete"},{"count":5,"month":"2024-11","status":"complete"},{"count":5,"month":"2024-12","status":"complete"},{"count":5,"month":"2025-01","status":"complete"},{"count":20,"month":"2025-02","status":"complete"},{"count":16,"month":"2025-03","status":"complete"},{"count":4,"month":"2025-04","status":"complete"},{"count":2,"month":"2025-05","status":"complete"},{"count":1,"month":"2025-06","status":"complete"},{"count":5,"month":"2025-07","status":"complete"},{"count":4,"month":"2025-08","status":"complete"},{"count":5,"month":"2025-09","status":"complete"},{"count":4,"month":"2025-10","status":"complete"},{"count":3,"month":"2025-11","status":"complete"},{"count":15,"month":"2025-12","status":"complete"},{"count":19,"month":"2026-01","status":"complete"},{"count":18,"month":"2026-02","status":"complete"},{"count":19,"month":"2026-03","status":"complete"},{"count":25,"month":"2026-04","status":"complete"},{"count":20,"month":"2026-05","status":"complete"},{"count":10,"month":"2026-06","status":"complete"},{"count":8,"month":"2026-07","status":"complete"},{"count":4,"month":"2026-08","status":"complete"},{"count":5,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":740,"selection":{"dataset":"services","filters":{"area":"34","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:c943de8a1a158b13bfd633f76d5764b5","workingSet":{"area":"34","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":1249}},"totalCount":1644,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:37:49.806Z","inputHash":"3b1b82f49c2d343a35c74f3712de9f0b4b0faa009c9b214f056a289865dc6db7","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":[0.9955987558389113,1.0830438782964389],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.038401241212126,"intercept":0.6275776678931493,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0027275330955750412,"start":"2019-01","zeroCount":4},"lagOne":0.3381331949527285,"slopeSE":0.001491851781284037,"sse":13.574071427160318}],"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.","4 confirmed zeros fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","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":2.0547945205479454,"monthlyDelta":6.416666666666667,"priorMonthlyMean":6.083333333333333,"priorStart":"2024-10","priorTotal":73,"ratio":2.0547945205479454,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":12.5,"recentStart":"2025-10","recentTotal":150,"score":0.811520616196101,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":2.0547945205479454,"monthlyDelta":6.416666666666667,"priorMonthlyMean":6.083333333333333,"priorStart":"2024-10","priorTotal":73,"ratio":2.0547945205479454,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":12.5,"recentStart":"2025-10","recentTotal":150,"score":0.811520616196101,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"df243baf9e555e875c6df131c989981b34cd0f532c5203abb89b6aea8db863dc","phases":[{"factorInterval":[0.9955987558389113,1.0830438782964389],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.038401241212126,"intercept":0.6275776678931493,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0027275330955750412,"start":"2019-01","zeroCount":4},"lagOne":0.3381331949527285,"slopeSE":0.001491851781284037,"sse":13.574071427160318}],"ranking":{"frequency":0.811520616196101,"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.","4 confirmed zeros fitted as 1; raw counts remain zero. Low-count trends are sensitive to this adjustment.","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":"f28bccbd29343d46abdf885621a426813bf576e15aeafde6765b47c764e2349d","schemaVersion":1,"seriesId":"ddf9a009f815153fec07c44985b00a48b2ac4842429e65ba2a962915534f9c12"},"sha256":"2a87b699dc309cb8388657eb7bebf01e1d7d7aa2d0157230c34a4cfe544cf572"}}