{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0138",
    "kind": "METHOD",
    "title": "MillerでCSVの列を選び集計する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対応するshellと作業フォルダー",
      "対象データの権限・入力範囲を確認する",
      "公式の配布・利用案内からMillerを用意し、対象環境と利用条件を確認します。"
    ],
    "suitable_for": "MillerでCSVの列を選び集計するという目的を、この利用経路で短く試したい場面。",
    "unsuitable_for": "入力形式を指定せず出力だけで集計の正しさを判断する用途。",
    "purpose": "MillerでCSVの列を選び集計する",
    "composition": "Miller",
    "shortest_path": [
      "区切りと列名が分かるCSVを用意する",
      "形式と列を指定して集計する",
      "件数と小さな手計算結果を照合する"
    ],
    "verification": "文字列・数値の扱いと空欄を確認します。",
    "coverage": [
      "CLI/shell",
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0138",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-32e3382206c218f6",
      "subject_id": "SRC-EVID-REF-0138",
      "predicate": "supports",
      "object_id": "METHOD-0138",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0138"
      ]
    },
    {
      "id": "REFREL-b7601ffcac8264c5",
      "subject_id": "TOOL-0137",
      "predicate": "supports",
      "object_id": "METHOD-0138",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0138"
      ]
    },
    {
      "id": "REFREL-5abf55174b8d2835",
      "subject_id": "METHOD-0138",
      "predicate": "uses",
      "object_id": "TOOL-0137",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0138"
      ]
    },
    {
      "id": "REFREL-cef4f4f963398e69",
      "subject_id": "METHOD-0138",
      "predicate": "requires",
      "object_id": "IDX-C01-011",
      "scope_note": "関連する運用上の概念。製品そのものの基礎定義とは区別する。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0138"
      ]
    },
    {
      "id": "REFREL-b095d95ca235d0af",
      "subject_id": "IDX-C01-011",
      "predicate": "explains",
      "object_id": "METHOD-0138",
      "scope_note": "既存TERMの運用上の注意点を読む経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0138"
      ]
    }
  ]
}