{
  "schema": "skillreducer/research-table/1",
  "id": "unseen-bands",
  "study": "unseen-bands",
  "title": "Rule-check bands, seen and unseen",
  "evidence_class": "measured-local",
  "date": "2026-09-19",
  "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590",
  "source_documents": [
    {
      "path": "docs/experiments/DETECTION-2026-09-19.md",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590",
      "committed": "2026-09-20"
    }
  ],
  "n_meaning": "Skills compared in the band",
  "columns": [
    {
      "name": "band",
      "description": "The rule-check shape and which part of its band"
    },
    {
      "name": "provenance",
      "description": "seen (ranked, lane K) or unseen"
    },
    {
      "name": "source_table",
      "description": "Table the band's rows come from"
    },
    {
      "name": "compared",
      "description": "Skills compared"
    },
    {
      "name": "accepted",
      "description": "Skills accepted"
    },
    {
      "name": "interval_low",
      "description": "Wilson 95 percent interval, low"
    },
    {
      "name": "interval_high",
      "description": "Wilson 95 percent interval, high"
    },
    {
      "name": "mean_token_reduction",
      "description": "Mean token reduction over compared skills; negative is dearer"
    },
    {
      "name": "n",
      "description": "Skills compared in the band"
    },
    {
      "name": "evidence_class",
      "description": "Evidence class of the figure (SPEC.md section 20)"
    },
    {
      "name": "date",
      "description": "UTC day the study's last measured run landed"
    },
    {
      "name": "commit",
      "description": "Commit the figures come from: the committed data when the study has some, otherwise the latest commit of the document that reports it"
    }
  ],
  "rows": [
    {
      "band": "conditional, ranked",
      "provenance": "seen",
      "source_table": "rule-checks",
      "compared": 8,
      "accepted": 4,
      "interval_low": 0.2152,
      "interval_high": 0.7848,
      "mean_token_reduction": -0.0073,
      "n": 8,
      "evidence_class": "measured-local",
      "date": "2026-09-19",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590"
    },
    {
      "band": "conditional, rest of band",
      "provenance": "unseen",
      "source_table": "conditional-rule-checks-rest",
      "compared": 2,
      "accepted": 0,
      "interval_low": 0,
      "interval_high": 0.6576,
      "mean_token_reduction": -0.2897,
      "n": 2,
      "evidence_class": "measured-local",
      "date": "2026-09-19",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590"
    },
    {
      "band": "absolute prohibition",
      "provenance": "unseen",
      "source_table": "absolute-rule-checks",
      "compared": 12,
      "accepted": 0,
      "interval_low": 0,
      "interval_high": 0.2425,
      "mean_token_reduction": 0.0569,
      "n": 12,
      "evidence_class": "measured-local",
      "date": "2026-09-19",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590"
    },
    {
      "band": "path-scoped write",
      "provenance": "unseen",
      "source_table": "path-rule-checks",
      "compared": 4,
      "accepted": 0,
      "interval_low": 0,
      "interval_high": 0.4899,
      "mean_token_reduction": -0.6494,
      "n": 4,
      "evidence_class": "measured-local",
      "date": "2026-09-19",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590"
    },
    {
      "band": "all unseen combined",
      "provenance": "unseen",
      "source_table": "conditional-rule-checks-rest;absolute-rule-checks;path-rule-checks",
      "compared": 18,
      "accepted": 0,
      "interval_low": 0,
      "interval_high": 0.1759,
      "mean_token_reduction": -0.1385,
      "n": 18,
      "evidence_class": "measured-local",
      "date": "2026-09-19",
      "commit": "80e4a13fb96ebb96d8efff8690a8c77215657590"
    }
  ]
}