StringDataFrameColumn.GroupColumnValues<TKey> 方法

参考

定义

命名空间:: Microsoft.Data.Analysis

程序集:: Microsoft.Data.Analysis.dll

包:: Microsoft.Data.Analysis v0.22.1

包:: Microsoft.Data.Analysis v0.20.1

包:: Microsoft.Data.Analysis v0.22.0

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

Source:: StringDataFrameColumn.cs

Source:: StringDataFrameColumn.cs

Source:: StringDataFrameColumn.cs

重要

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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))

类型参数

TKey

参数

nullIndices: HashSet<Int64>

返回

Dictionary<TKey,ICollection<Int64>>

适用于