GroupBy<TKey>.First(String[]) 메서드

정의

네임스페이스:

Microsoft.Data.Analysis

어셈블리:

Microsoft.Data.Analysis.dll

패키지:

Microsoft.Data.Analysis v0.23.0-preview.1.25125.4

Source:

GroupBy.cs

public override Microsoft.Data.Analysis.DataFrame First(params string[] columnNames);

override this.First : string[] -> Microsoft.Data.Analysis.DataFrame

Public Overrides Function First (ParamArray columnNames As String()) As DataFrame

매개 변수

columnNames

String[]

반환

DataFrame