PrimitiveDataFrameColumn<T>.GroupColumnValues<TKey> 方法

定義

命名空間:

Microsoft.Data.Analysis

組件:

Microsoft.Data.Analysis.dll

套件:

Microsoft.Data.Analysis v0.21.1

public override System.Collections.Generic.Dictionary<TKey,System.Collections.Generic.ICollection<long>> GroupColumnValues<TKey> (out System.Collections.Generic.HashSet<long> nullIndices);

override this.GroupColumnValues : HashSet -> System.Collections.Generic.Dictionary<'Key, System.Collections.Generic.ICollection<int64>>

Public Overrides Function GroupColumnValues(Of TKey) (ByRef nullIndices As HashSet(Of Long)) As Dictionary(Of TKey, ICollection(Of Long))

類型參數

TKey

參數

nullIndices

HashSet<Int64>

傳回

Dictionary<TKey,ICollection<Int64>>