{"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":0,"month":"2019-02","status":"complete"},{"count":0,"month":"2019-03","status":"complete"},{"count":0,"month":"2019-04","status":"complete"},{"count":0,"month":"2019-05","status":"complete"},{"count":0,"month":"2019-06","status":"complete"},{"count":0,"month":"2019-07","status":"complete"},{"count":0,"month":"2019-08","status":"complete"},{"count":0,"month":"2019-09","status":"complete"},{"count":0,"month":"2019-10","status":"complete"},{"count":0,"month":"2019-11","status":"complete"},{"count":0,"month":"2019-12","status":"complete"},{"count":0,"month":"2020-01","status":"complete"},{"count":0,"month":"2020-02","status":"complete"},{"count":0,"month":"2020-03","status":"complete"},{"count":0,"month":"2020-04","status":"complete"},{"count":0,"month":"2020-05","status":"complete"},{"count":0,"month":"2020-06","status":"complete"},{"count":0,"month":"2020-07","status":"complete"},{"count":0,"month":"2020-08","status":"complete"},{"count":0,"month":"2020-09","status":"complete"},{"count":0,"month":"2020-10","status":"complete"},{"count":0,"month":"2020-11","status":"complete"},{"count":0,"month":"2020-12","status":"complete"},{"count":0,"month":"2021-01","status":"complete"},{"count":0,"month":"2021-02","status":"complete"},{"count":0,"month":"2021-03","status":"complete"},{"count":0,"month":"2021-04","status":"complete"},{"count":0,"month":"2021-05","status":"complete"},{"count":0,"month":"2021-06","status":"complete"},{"count":0,"month":"2021-07","status":"complete"},{"count":0,"month":"2021-08","status":"complete"},{"count":0,"month":"2021-09","status":"complete"},{"count":0,"month":"2021-10","status":"complete"},{"count":0,"month":"2021-11","status":"complete"},{"count":0,"month":"2021-12","status":"complete"},{"count":0,"month":"2022-01","status":"complete"},{"count":0,"month":"2022-02","status":"complete"},{"count":0,"month":"2022-03","status":"complete"},{"count":0,"month":"2022-04","status":"complete"},{"count":0,"month":"2022-05","status":"complete"},{"count":0,"month":"2022-06","status":"complete"},{"count":0,"month":"2022-07","status":"complete"},{"count":0,"month":"2022-08","status":"complete"},{"count":0,"month":"2022-09","status":"complete"},{"count":0,"month":"2022-10","status":"complete"},{"count":0,"month":"2022-11","status":"complete"},{"count":0,"month":"2022-12","status":"complete"},{"count":0,"month":"2023-01","status":"complete"},{"count":0,"month":"2023-02","status":"complete"},{"count":0,"month":"2023-03","status":"complete"},{"count":0,"month":"2023-04","status":"complete"},{"count":0,"month":"2023-05","status":"complete"},{"count":0,"month":"2023-06","status":"complete"},{"count":0,"month":"2023-07","status":"complete"},{"count":0,"month":"2023-08","status":"complete"},{"count":0,"month":"2023-09","status":"complete"},{"count":0,"month":"2023-10","status":"complete"},{"count":0,"month":"2023-11","status":"complete"},{"count":0,"month":"2023-12","status":"complete"},{"count":0,"month":"2024-01","status":"complete"},{"count":0,"month":"2024-02","status":"complete"},{"count":0,"month":"2024-03","status":"complete"},{"count":0,"month":"2024-04","status":"complete"},{"count":0,"month":"2024-05","status":"complete"},{"count":0,"month":"2024-06","status":"complete"},{"count":0,"month":"2024-07","status":"complete"},{"count":0,"month":"2024-08","status":"complete"},{"count":0,"month":"2024-09","status":"complete"},{"count":0,"month":"2024-10","status":"complete"},{"count":0,"month":"2024-11","status":"complete"},{"count":0,"month":"2024-12","status":"complete"},{"count":0,"month":"2025-01","status":"complete"},{"count":0,"month":"2025-02","status":"complete"},{"count":0,"month":"2025-03","status":"complete"},{"count":0,"month":"2025-04","status":"complete"},{"count":0,"month":"2025-05","status":"complete"},{"count":1,"month":"2025-06","status":"complete"},{"count":0,"month":"2025-07","status":"complete"},{"count":0,"month":"2025-08","status":"complete"},{"count":0,"month":"2025-09","status":"complete"},{"count":0,"month":"2025-10","status":"complete"},{"count":0,"month":"2025-11","status":"complete"},{"count":1,"month":"2025-12","status":"complete"},{"count":4,"month":"2026-01","status":"complete"},{"count":0,"month":"2026-02","status":"complete"},{"count":9,"month":"2026-03","status":"complete"},{"count":5,"month":"2026-04","status":"complete"},{"count":10,"month":"2026-05","status":"complete"},{"count":7,"month":"2026-06","status":"complete"},{"count":17,"month":"2026-07","status":"complete"},{"count":30,"month":"2026-08","status":"complete"},{"count":55,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":139,"selection":{"dataset":"services","filters":{"area":"30","arrest":"all","domestic":"all","hourEnd":24,"hourStart":0,"status":"Open","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-v2:70022d65c580e198bb57faed68d3fc80","workingSet":{"area":"30","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":4953}},"totalCount":8675,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:37:37.891Z","inputHash":"48376697afc43077367893af317fc79c6dfc6cc367ae9a7fbbddc3e740418b18","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":[1.0459788770064693,1.1129953594518436],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0789669300737863,"intercept":-0.1638957969521399,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0055013556543551285,"start":"2019-01","zeroCount":83},"lagOne":0.7258041167267643,"slopeSE":0.0011004928801731397,"sse":7.386407271391658}],"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.","83 confirmed zeros 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":138,"monthlyDelta":11.416666666666666,"priorMonthlyMean":0.08333333333333333,"priorStart":"2024-10","priorTotal":1,"ratio":138,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":11.5,"recentStart":"2025-10","recentTotal":138,"score":2.115248495596537,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":138,"monthlyDelta":11.416666666666666,"priorMonthlyMean":0.08333333333333333,"priorStart":"2024-10","priorTotal":1,"ratio":138,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":11.5,"recentStart":"2025-10","recentTotal":138,"score":2.115248495596537,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"8932738b3796cdbdf8bf46b5aa5c4bfcce6aa647cc72dadce88dfdd52d617108","phases":[{"factorInterval":[1.0459788770064693,1.1129953594518436],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":1.0789669300737863,"intercept":-0.1638957969521399,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":0.0055013556543551285,"start":"2019-01","zeroCount":83},"lagOne":0.7258041167267643,"slopeSE":0.0011004928801731397,"sse":7.386407271391658}],"ranking":{"frequency":2.115248495596537,"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.","83 confirmed zeros 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":"f594434118ef084fc72b70b851f6740a98cc078993ffe933b540bcda6ca71976","schemaVersion":1,"seriesId":"cf7d0fdcccaf02ea547df87a105b9b52b7a933aa83522748a1f3b524b4323519"},"sha256":"7b4228750067bc046267ca914dee304543a4ae83d8ac1b8e1a93e4cfcac895fd"}}