{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0377",
    "kind": "METHOD",
    "title": "Daskで検証用DataFrameを分割して集計する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対応するPython環境と検証用の表",
      "入力の型・欠損・出力先と利用権限を確認する",
      "公式の利用開始案内でDaskの対応環境・導入方法・利用条件を確認し、検証用の環境へ用意します。"
    ],
    "suitable_for": "Daskで検証用DataFrameを分割して集計するという一つの目的を、この利用経路で短く試したい場面。",
    "unsuitable_for": "分割しただけでmemory制約や偏りが解決するとする用途。",
    "purpose": "Daskで検証用DataFrameを分割して集計する",
    "composition": "Dask + Python",
    "shortest_path": [
      "小さな検証表と実行資源を確認する",
      "from_pandasで分割したDataFrameと集計を組む",
      "computeして元の表の集計と比較する"
    ],
    "verification": "遅延計画と実行結果を区別し、partitionと型を確認します。",
    "coverage": [
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0377",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-e5cff89646059788",
      "subject_id": "SRC-EVID-REF-0351",
      "predicate": "supports",
      "object_id": "METHOD-0377",
      "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-0351"
      ]
    },
    {
      "id": "REFREL-2a75f3f642ac8555",
      "subject_id": "TOOL-0276",
      "predicate": "supports",
      "object_id": "METHOD-0377",
      "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-0351"
      ]
    },
    {
      "id": "REFREL-273219c3dfd5288c",
      "subject_id": "METHOD-0377",
      "predicate": "uses",
      "object_id": "TOOL-0276",
      "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-0351"
      ]
    },
    {
      "id": "REFREL-ec5974537032b0ff",
      "subject_id": "METHOD-0377",
      "predicate": "uses",
      "object_id": "TOOL-0006",
      "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-0351"
      ]
    },
    {
      "id": "REFREL-4f8e6cae6bc2b86f",
      "subject_id": "METHOD-0377",
      "predicate": "requires",
      "object_id": "IDX-C03-004",
      "scope_note": "既存の検証・運用上の関連概念。製品の基礎定義とは区別する。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0351"
      ]
    },
    {
      "id": "REFREL-a1613af02eea6732",
      "subject_id": "IDX-C03-004",
      "predicate": "explains",
      "object_id": "METHOD-0377",
      "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-0351"
      ]
    }
  ]
}