{"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":14,"month":"2019-01","status":"complete"},{"count":59,"month":"2019-02","status":"complete"},{"count":202,"month":"2019-03","status":"complete"},{"count":59,"month":"2019-04","status":"complete"},{"count":62,"month":"2019-05","status":"complete"},{"count":51,"month":"2019-06","status":"complete"},{"count":89,"month":"2019-07","status":"complete"},{"count":37,"month":"2019-08","status":"complete"},{"count":76,"month":"2019-09","status":"complete"},{"count":87,"month":"2019-10","status":"complete"},{"count":32,"month":"2019-11","status":"complete"},{"count":18,"month":"2019-12","status":"complete"},{"count":45,"month":"2020-01","status":"complete"},{"count":76,"month":"2020-02","status":"complete"},{"count":178,"month":"2020-03","status":"complete"},{"count":94,"month":"2020-04","status":"complete"},{"count":46,"month":"2020-05","status":"complete"},{"count":21,"month":"2020-06","status":"complete"},{"count":20,"month":"2020-07","status":"complete"},{"count":38,"month":"2020-08","status":"complete"},{"count":13,"month":"2020-09","status":"complete"},{"count":33,"month":"2020-10","status":"complete"},{"count":28,"month":"2020-11","status":"complete"},{"count":55,"month":"2020-12","status":"complete"},{"count":91,"month":"2021-01","status":"complete"},{"count":54,"month":"2021-02","status":"complete"},{"count":114,"month":"2021-03","status":"complete"},{"count":83,"month":"2021-04","status":"complete"},{"count":66,"month":"2021-05","status":"complete"},{"count":18,"month":"2021-06","status":"complete"},{"count":35,"month":"2021-07","status":"complete"},{"count":24,"month":"2021-08","status":"complete"},{"count":22,"month":"2021-09","status":"complete"},{"count":45,"month":"2021-10","status":"complete"},{"count":10,"month":"2021-11","status":"complete"},{"count":12,"month":"2021-12","status":"complete"},{"count":49,"month":"2022-01","status":"complete"},{"count":124,"month":"2022-02","status":"complete"},{"count":167,"month":"2022-03","status":"complete"},{"count":95,"month":"2022-04","status":"complete"},{"count":96,"month":"2022-05","status":"complete"},{"count":52,"month":"2022-06","status":"complete"},{"count":39,"month":"2022-07","status":"complete"},{"count":29,"month":"2022-08","status":"complete"},{"count":23,"month":"2022-09","status":"complete"},{"count":19,"month":"2022-10","status":"complete"},{"count":12,"month":"2022-11","status":"complete"},{"count":34,"month":"2022-12","status":"complete"},{"count":135,"month":"2023-01","status":"complete"},{"count":83,"month":"2023-02","status":"complete"},{"count":164,"month":"2023-03","status":"complete"},{"count":56,"month":"2023-04","status":"complete"},{"count":43,"month":"2023-05","status":"complete"},{"count":61,"month":"2023-06","status":"complete"},{"count":38,"month":"2023-07","status":"complete"},{"count":44,"month":"2023-08","status":"complete"},{"count":32,"month":"2023-09","status":"complete"},{"count":28,"month":"2023-10","status":"complete"},{"count":20,"month":"2023-11","status":"complete"},{"count":46,"month":"2023-12","status":"complete"},{"count":100,"month":"2024-01","status":"complete"},{"count":115,"month":"2024-02","status":"complete"},{"count":71,"month":"2024-03","status":"complete"},{"count":35,"month":"2024-04","status":"complete"},{"count":47,"month":"2024-05","status":"complete"},{"count":76,"month":"2024-06","status":"complete"},{"count":52,"month":"2024-07","status":"complete"},{"count":47,"month":"2024-08","status":"complete"},{"count":42,"month":"2024-09","status":"complete"},{"count":24,"month":"2024-10","status":"complete"},{"count":18,"month":"2024-11","status":"complete"},{"count":8,"month":"2024-12","status":"complete"},{"count":15,"month":"2025-01","status":"complete"},{"count":44,"month":"2025-02","status":"complete"},{"count":80,"month":"2025-03","status":"complete"},{"count":45,"month":"2025-04","status":"complete"},{"count":63,"month":"2025-05","status":"complete"},{"count":39,"month":"2025-06","status":"complete"},{"count":29,"month":"2025-07","status":"complete"},{"count":51,"month":"2025-08","status":"complete"},{"count":19,"month":"2025-09","status":"complete"},{"count":14,"month":"2025-10","status":"complete"},{"count":16,"month":"2025-11","status":"complete"},{"count":42,"month":"2025-12","status":"complete"},{"count":45,"month":"2026-01","status":"complete"},{"count":99,"month":"2026-02","status":"complete"},{"count":93,"month":"2026-03","status":"complete"},{"count":150,"month":"2026-04","status":"complete"},{"count":60,"month":"2026-05","status":"complete"},{"count":37,"month":"2026-06","status":"complete"},{"count":47,"month":"2026-07","status":"complete"},{"count":40,"month":"2026-08","status":"complete"},{"count":33,"month":"2026-09","status":"complete"}],"period":"monthly","selectedCount":5192,"selection":{"dataset":"services","filters":{"area":"58","arrest":"all","domestic":"all","hourEnd":24,"hourStart":0,"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-v2:9a035a20d6c497d535f7e9cfd8e5e681","workingSet":{"area":"58","coverage":{"endExclusive":"2026-10-01","start":"2019-01-01"},"rowCount":3042}},"totalCount":5192,"window":{"endExclusive":"2026-10","start":"2016-10"}},"evidence":{"body":{"completedAt":"2026-11-09T17:38:46.128Z","inputHash":"2b743751ccad9702eacb6cf53f24dc03790a78a28f4526dcf49c36092d92418f","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":[0.954094755785046,1.0198119672037904],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":0.9864062296011555,"intercept":1.69137345053437,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":-0.0009906989396211835,"start":"2019-01","zeroCount":0},"lagOne":0.5275931225909787,"slopeSE":0.001180392826835904,"sse":8.497905535867309}],"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.","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":1.554022988505747,"monthlyDelta":20.083333333333332,"priorMonthlyMean":36.25,"priorStart":"2024-10","priorTotal":435,"ratio":1.554022988505747,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":56.333333333333336,"recentStart":"2025-10","recentTotal":676,"score":0.6607662049741632,"windowMonths":12,"zeroBaseline":false},"flags":["frequency"],"frequency":{"available":true,"end":"2026-09","flag":true,"foldMagnitude":1.554022988505747,"monthlyDelta":20.083333333333332,"priorMonthlyMean":36.25,"priorStart":"2024-10","priorTotal":435,"ratio":1.554022988505747,"reason":"Raw counts: latest 12 covered months versus preceding 12; descriptive, not a detected breakpoint","recentMonthlyMean":56.333333333333336,"recentStart":"2025-10","recentTotal":676,"score":0.6607662049741632,"windowMonths":12,"zeroBaseline":false},"frequencyAssessment":"annual-policy","method":"multi-feed-turn-and-frequency-renewal-v2","observationHash":"e8b250c21756d77d353857030e4e15d4ea1921df832abd7fd1e4dcbbc3192790","phases":[{"factorInterval":[0.954094755785046,1.0198119672037904],"fit":{"available":true,"calendarPeriod":"monthly","end":"2026-09","factor":0.9864062296011555,"intercept":1.69137345053437,"method":"log10-ols-calendar-zero-as-one-v2","origin":24228,"periodUnits":6,"sampleCount":93,"slope":-0.0009906989396211835,"start":"2019-01","zeroCount":0},"lagOne":0.5275931225909787,"slopeSE":0.001180392826835904,"sse":8.497905535867309}],"ranking":{"frequency":0.6607662049741632,"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.","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":"2eae676c790ac616880eb485913d74d8966557a83f43d8afe2c5e74452c1251b","schemaVersion":1,"seriesId":"8317b5151eae8816e2d629279086ed72a7acdd7bc9f249ca4c375fc0f980a19d"},"sha256":"226815e405b0039e584ed1a7fa74809b9a979a57494f0b2183be2118a7e6a802"}}