{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0063",
    "kind": "METHOD",
    "title": "pandasでCSVを読み込み列ごとに集計する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対象データへの権限",
      "接続先または入力ファイルを確認する",
      "Pythonの分離環境へ導入し、小さな入力で型を確認します。"
    ],
    "suitable_for": "pandasでCSVを読み込み列ごとに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": "メモリー量や型変換を無視した大規模ファイル処理。",
    "purpose": "pandasでCSVを読み込み列ごとに集計する",
    "composition": "pandas + Python",
    "shortest_path": [
      "列と欠損値が分かるCSVを用意する",
      "read_csvで読み、型を確認して集計する",
      "件数・集計値を元データと照合する"
    ],
    "verification": "文字列として扱う番号、欠損値、集計対象件数を確認します。",
    "coverage": [
      "database/SQL",
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0063",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
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    {
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    },
    {
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      "object_id": "IDX-C03-004",
      "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。",
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}