DataFrame.GroupBy Method
Definition
Important
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Overloads
| GroupBy(String) |
Groups the rows of the DataFrame by unique values in the |
| GroupBy<TKey>(String) |
Groups the rows of the DataFrame by unique values in the |
GroupBy(String)
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.GroupByPublic Function GroupBy (columnName As String) As GroupByParameters
- columnName
- String
The column used to group unique values
Returns
A GroupBy object that stores the group information.
Applies to
GroupBy<TKey>(String)
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
A GroupBy object that stores the group information.