{
  "meta": {
    "n_days": 349,
    "n_cluster_events": 13667,
    "n_contra_events": 5452,
    "bugfix": "mm_gamma only",
    "tier_breakpoints": {
      "NEG_MAX": 0,
      "LOW_MAX_M": 104.7,
      "MID_MAX_M": 186.0
    },
    "tier_counts": {
      "MID_POS": 105,
      "LOW_POS": 103,
      "HIGH_POS": 103,
      "NEG": 51
    }
  },
  "cluster_reach_by_tier": {
    "4bucket": {
      "NEG": {
        "n": 1102,
        "reach_rate": 0.4746,
        "p_value": 0.097514
      },
      "LOW_POS": {
        "n": 3398,
        "reach_rate": 0.4541,
        "p_value": 0.0
      },
      "MID_POS": {
        "n": 4608,
        "reach_rate": 0.3646,
        "p_value": 0.0
      },
      "HIGH_POS": {
        "n": 4559,
        "reach_rate": 0.3547,
        "p_value": 0.0
      }
    },
    "3bucket": {
      "NEG_LOW": {
        "n": 4500,
        "reach_rate": 0.4591,
        "p_value": 0.0
      },
      "MID": {
        "n": 4608,
        "reach_rate": 0.3646,
        "p_value": 0.0
      },
      "HIGH": {
        "n": 4559,
        "reach_rate": 0.3547,
        "p_value": 0.0
      }
    },
    "chi2_p": 0.0
  },
  "one_sided_by_tier": {
    "4bucket": {
      "NEG": {
        "n": 768,
        "reach_rate": 0.5065,
        "p_value": 0.745387
      },
      "LOW_POS": {
        "n": 1800,
        "reach_rate": 0.5478,
        "p_value": 5.5e-05
      },
      "MID_POS": {
        "n": 1891,
        "reach_rate": 0.4844,
        "p_value": 0.182263
      },
      "HIGH_POS": {
        "n": 1460,
        "reach_rate": 0.4877,
        "p_value": 0.359676
      }
    },
    "old_note": "NEG=60% vs HIGH=17% from old test"
  },
  "contra_build_by_tier": {
    "3bucket": {
      "NEG_LOW": {
        "n": 1967,
        "reach_rate": 0.5079,
        "p_value": 0.498781,
        "old_rate": 0.369,
        "signal": "STRENGTHENED"
      },
      "MID": {
        "n": 1907,
        "reach_rate": 0.3849,
        "p_value": 0.0,
        "old_rate": null,
        "signal": "NEW"
      },
      "HIGH": {
        "n": 1578,
        "reach_rate": 0.365,
        "p_value": 0.0,
        "old_rate": 0.645,
        "signal": "WEAKENED"
      }
    },
    "chi2_p": 0.0,
    "old_note": "Contra HIGH=64.5% vs NEG/LOW=36.9% (p=0.011)"
  }
}