reports/fairness_audit.json

{
  "highest_concern": "high",
  "findings": [
    {
      "name": "feedback loop",
      "statistic": 0.6133053955548047,
      "concern": "moderate",
      "interpretation": "Spearman rho=+0.613 between score and historical patrol hours - recommendations substantially track past patrolling"
    },
    {
      "name": "under-observation coverage",
      "statistic": 0.0,
      "concern": "high",
      "interpretation": "no recommendation reaches an under-observed cell, though 25.8% of cells are flagged - the system only looks where someone already looked"
    },
    {
      "name": "station disparity",
      "statistic": 0.20912368007966697,
      "concern": "high",
      "interpretation": "recommendation Gini 0.796 vs violation Gini 0.587 (excess +0.209) across 53 stations"
    },
    {
      "name": "counterfactual patrol",
      "statistic": 0.3,
      "concern": "moderate",
      "interpretation": "only 30% of the top-50 cells survive equalising patrol effort (full-ranking tau +0.318)"
    }
  ],
  "coverage": {
    "cells_assigned": 8,
    "cells_total": 1802,
    "risk_covered": 5.038800746202469,
    "risk_total": 48.28950881958008,
    "risk_covered_share": 0.10434566160174677,
    "under_observed_assigned": 0,
    "seed": 42
  }
}