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SeriesK, VGroupByTNewKey Method
Groups a series (ordered or unordered) using the specified key selector (`keySelector`) ## Parameters - `keySelector` - Generates a new key that is used for aggregation, based on the original key and value. The new key must support equality testing. [category:Windowing, chunking and grouping]

Namespace:  Deedle
Assembly:  Deedle (in Deedle.dll) Version: 1.2
Syntax
C#
Copy
public Series<TNewKey, Series<K, V>> GroupBy<TNewKey>(
	Func<KeyValuePair<K, V>, TNewKey> keySelector
)

Parameters

keySelector
Type: SystemFuncKeyValuePairK, V, TNewKey

[Missing <param name="keySelector"/> documentation for "M:Deedle.Series`2.GroupBy``1(System.Func{System.Collections.Generic.KeyValuePair{`0,`1},``0})"]

Type Parameters

TNewKey

Return Value

Type: SeriesTNewKey, SeriesK, V

[Missing <returns> documentation for "M:Deedle.Series`2.GroupBy``1(System.Func{System.Collections.Generic.KeyValuePair{`0,`1},``0})"]

See Also