Vector<T>.AggregateBy(IGrouping, TypePreservingAggregatorGroup) Method

Returns a new vector that aggregates the columns according to the specified grouping.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public Vector<T> AggregateBy(
	IGrouping grouping,
	TypePreservingAggregatorGroup aggregator
)

Visual Basic

Public Function AggregateBy ( 
	grouping As IGrouping,
	aggregator As TypePreservingAggregatorGroup
) As Vector(Of T)

C++/CLI

public:
Vector<T>^ AggregateBy(
	IGrouping^ grouping, 
	TypePreservingAggregatorGroup^ aggregator
)

member AggregateBy : 
        grouping : IGrouping * 
        aggregator : TypePreservingAggregatorGroup -> Vector<'T>

grouping IGrouping: The grouping object.
aggregator TypePreservingAggregatorGroup: The aggregator to apply to each group.

Vector<T>
A new vector, with rows indexed by the index associated with grouping, and as values the result of applying aggregator to each group.