DataFrame.GroupBy Method

Definition

Namespace:

Microsoft.Data.Analysis

Assembly:

Microsoft.Data.Analysis.dll

Package:

Microsoft.Data.Analysis v0.22.0-preview.24522.7

Overloads

GroupBy(String)	Groups the rows of the DataFrame by unique values in the columnName column.
GroupBy<TKey>(String)	Groups the rows of the DataFrame by unique values in the columnName column.

GroupBy(String)

Source:

DataFrame.cs

Groups the rows of the DataFrame by unique values in the columnName column.

public Microsoft.Data.Analysis.GroupBy GroupBy(string columnName);

member this.GroupBy : string -> Microsoft.Data.Analysis.GroupBy

Public Function GroupBy (columnName As String) As GroupBy

Parameters

columnName

String

The column used to group unique values

Returns

GroupBy

A GroupBy object that stores the group information.

GroupBy<TKey>(String)

Source:

DataFrame.cs

Groups the rows of the DataFrame by unique values in the columnName column.

public Microsoft.Data.Analysis.GroupBy<TKey> GroupBy<TKey>(string columnName);

member this.GroupBy : string -> Microsoft.Data.Analysis.GroupBy<'Key>

Public Function GroupBy(Of TKey) (columnName As String) As GroupBy(Of TKey)

Type Parameters

TKey

Type of column used for grouping

Parameters

columnName

String

The column used to group unique values

Returns

GroupBy<TKey>

A GroupBy object that stores the group information.