{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0327",
    "kind": "METHOD",
    "title": "MillerでCSVの区分別に件数と合計を出す",
    "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",
      "原典と導入済みversionの対応を確認し、権限のある検証用入力・別の出力先を用意する"
    ],
    "suitable_for": "shellからCSVの集計表を作る場面。",
    "unsuitable_for": "意味の異なる通貨や単位を混ぜて合算する用途。",
    "purpose": "MillerでCSVの区分別に件数と合計を出す",
    "composition": "Miller",
    "shortest_path": [
      "区切り・headerと区分列を確認する",
      "stats1などのverbで区分ごとに集計する",
      "件数と数値にならない入力を照合する"
    ],
    "verification": "小さな手計算例で区分・型・出力列を確認します。",
    "coverage": [
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0327",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-f424c8446a2fc0ea",
      "subject_id": "SRC-EVID-REF-0314",
      "predicate": "supports",
      "object_id": "METHOD-0327",
      "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-0314"
      ]
    },
    {
      "id": "REFREL-54c7dbcb0af5c85f",
      "subject_id": "TOOL-0137",
      "predicate": "supports",
      "object_id": "METHOD-0327",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-da73e3871141a12d",
      "subject_id": "METHOD-0327",
      "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": [
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      ]
    },
    {
      "id": "REFREL-2467bbafefe00138",
      "subject_id": "METHOD-0327",
      "predicate": "requires",
      "object_id": "IDX-C03-004",
      "scope_note": "検証・運用上の関連概念。製品の基本定義とは区別する。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-49721d5990ec74d5",
      "subject_id": "IDX-C03-004",
      "predicate": "explains",
      "object_id": "METHOD-0327",
      "scope_note": "利用結果の確認や運用上の注意点を読む経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0314"
      ]
    },
    {
      "id": "REFREL-ac4bee3b401f18e5",
      "subject_id": "METHOD-0327",
      "predicate": "alternative_to",
      "object_id": "METHOD-0016",
      "scope_note": "同じCSV集計をMillerのverbで行うか、DuckDBのSQLで行うかの違い。入力型と集計仕様を合わせて比較する。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    }
  ]
}