[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-26 UTC。"],[],["The `Reducer.group` function groups records based on a specified `groupField` (defaulting to field 0). It then applies a provided `reducer` to each group, excluding the grouping field. The result of the reducer on each group is stored under a `groupName` key (defaulting to \"group\"). The function itself returns a `Reducer` object. The `groupField` type can be an Integer.\n"]]