riverside.metadata.json

{
  "city": "Riverside",
  "data_card": "docs/DATA-CARD.md",
  "dataset_note": "Synthetic demonstration data — not real reports.",
  "geojson_sha256": "ae036412a20c9de2e3ef2e8880b9f1d90193e55d4ef52a2f7084190ad0c7f732",
  "license": "Apache-2.0",
  "methods": {
    "confidence_z": 1.96,
    "fdr_alpha": 0.05,
    "getis_ord_band_m": 300.0,
    "kde_bandwidth_m": 150.0,
    "min_publish_n": 3,
    "rate_per": 1000.0,
    "significance": "Getis-Ord Gi* on the exposure-normalized rate, Benjamini-Hochberg FDR",
    "small_n": 5
  },
  "privacy": "Aggregated to public street segments; segments with a non-zero report count below min_publish_n are withheld (k-anonymity). No per-report coordinate, time, reporter token, note, mode, or severity is published. Small-n hazard breakdowns are suppressed.",
  "report_intensity_peak_segment": "rs-3",
  "schema": "schema/dataset.schema.md",
  "schema_version": "1.0.0",
  "summary": {
    "duplicates_removed": 0,
    "exposure_coverage": 1.0,
    "reports_in": 20,
    "segments_published": 5,
    "segments_total": 6,
    "segments_withheld_low_count": 1,
    "snapped": 20,
    "unsnapped": 0
  },
  "temporal": {
    "basis": "Report volume by time of day and day of week (city-wide aggregate). NOT an exposure-normalized rate: it reflects when people report, which tracks when they ride. Treat as a lead, not a risk ranking.",
    "by_hour": {
      "10": 3,
      "11": 3,
      "12": 3,
      "13": 3,
      "14": 3,
      "8": 2,
      "9": 3
    },
    "by_part_of_day": {
      "am_peak": 5,
      "midday": 15
    },
    "by_weekday": {
      "Mon": 20
    },
    "peak_part_of_day": "midday",
    "peak_weekday": "Mon",
    "small_sample_caveat": false,
    "suppressed_low_count": false,
    "total_reports_timed": 20
  },
  "version": "0.1.0"
}