Matrix<T>.AggregateRowsBy Method

Definition

Namespace: Numerics.NET
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.4

Overload List

AggregateRowsBy<TResult>(IGrouping, Aggregator<T, TResult>)	Returns a new matrix that aggregates the rows according to the specified grouping.
AggregateRowsBy<TResult>(IGrouping, AggregatorGroup<TResult>)	Returns a new matrix that aggregates the rows according to the specified grouping.
AggregateRowsBy<C>(C, TypePreservingAggregatorGroup)	Returns a new matrix that aggregates the rows grouped by the specified row.
AggregateRowsBy<C, TResult>(C, AggregatorGroup<TResult>)	Returns a new matrix that aggregates the rows grouped by the specified row.
AggregateRowsBy<K, U>(IList<K>, AggregatorGroup<U>)	Returns a new matrix that aggregates the rows grouped by the specified vector.
AggregateRowsBy<R, TResult>(R, Func<Vector<T>, TResult>)	Applies the specified aggregation function to the values in each row grouped by the specified grouping row.

AggregateRowsBy<C, TResult>(C, AggregatorGroup<TResult>)

Returns a new matrix that aggregates the rows grouped by the specified row.

public Matrix<TResult> AggregateRowsBy<C, TResult>(
	C groupingRowKey,
	AggregatorGroup<TResult> aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of C, TResult) ( 
	groupingRowKey As C,
	aggregator As AggregatorGroup(Of TResult)
) As Matrix(Of TResult)

C++/CLI

public:
generic<typename C, typename TResult>
Matrix<TResult>^ AggregateRowsBy(
	C groupingRowKey, 
	AggregatorGroup<TResult>^ aggregator
)

member AggregateRowsBy : 
        groupingRowKey : 'C * 
        aggregator : AggregatorGroup<'TResult> -> Matrix<'TResult>

Parameters

groupingRowKey C: The key of the grouping row.
aggregator AggregatorGroup<TResult>: The aggregator to apply to each group.

Type Parameters

C: The type of the row keys.
TResult: The type of the result of the aggregator.

Return Value

Matrix<TResult>
A new matrix, with columns indexed by the unique elements of the row with key groupingRowKey, and values the result of applying aggregator to each group of the remaining rows.

AggregateRowsBy<TResult>(IGrouping, Aggregator<T, TResult>)

Returns a new matrix that aggregates the rows according to the specified grouping.

public Matrix<TResult> AggregateRowsBy<TResult>(
	IGrouping grouping,
	Aggregator<T, TResult> aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of TResult) ( 
	grouping As IGrouping,
	aggregator As Aggregator(Of T, TResult)
) As Matrix(Of TResult)

C++/CLI

public:
generic<typename TResult>
Matrix<TResult>^ AggregateRowsBy(
	IGrouping^ grouping, 
	Aggregator<T, TResult>^ aggregator
)

member AggregateRowsBy : 
        grouping : IGrouping * 
        aggregator : Aggregator<'T, 'TResult> -> Matrix<'TResult>

Parameters

grouping IGrouping: The grouping object.
aggregator Aggregator<T, TResult>: The aggregator to apply to each group.

Type Parameters

TResult: The type of the result of the aggregator.

Return Value

Matrix<TResult>
A new matrix, with columns indexed by the index associated with grouping, and as values the result of applying aggregator to each group of each row.

AggregateRowsBy<TResult>(IGrouping, AggregatorGroup<TResult>)

Returns a new matrix that aggregates the rows according to the specified grouping.

public Matrix<TResult> AggregateRowsBy<TResult>(
	IGrouping grouping,
	AggregatorGroup<TResult> aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of TResult) ( 
	grouping As IGrouping,
	aggregator As AggregatorGroup(Of TResult)
) As Matrix(Of TResult)

C++/CLI

public:
generic<typename TResult>
Matrix<TResult>^ AggregateRowsBy(
	IGrouping^ grouping, 
	AggregatorGroup<TResult>^ aggregator
)

member AggregateRowsBy : 
        grouping : IGrouping * 
        aggregator : AggregatorGroup<'TResult> -> Matrix<'TResult>

Parameters

grouping IGrouping: The grouping object.
aggregator AggregatorGroup<TResult>: The aggregator to apply to each group.

Type Parameters

TResult: The type of the result of the aggregator.

Return Value

Matrix<TResult>
A new matrix, with columns indexed by the index associated with grouping, and as values the result of applying aggregator to each group of each row.

AggregateRowsBy<K, U>(IList<K>, AggregatorGroup<U>)

Returns a new matrix that aggregates the rows grouped by the specified vector.

public Matrix<U> AggregateRowsBy<K, U>(
	IList<K> groupingVector,
	AggregatorGroup<U> aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of K, U) ( 
	groupingVector As IList(Of K),
	aggregator As AggregatorGroup(Of U)
) As Matrix(Of U)

C++/CLI

public:
generic<typename K, typename U>
Matrix<U>^ AggregateRowsBy(
	IList<K>^ groupingVector, 
	AggregatorGroup<U>^ aggregator
)

member AggregateRowsBy : 
        groupingVector : IList<'K> * 
        aggregator : AggregatorGroup<'U> -> Matrix<'U>

Parameters

groupingVector IList<K>: The vector that contains the group memberships.
aggregator AggregatorGroup<U>: The aggregator to apply to each group.

Type Parameters

K: The element type of the grouping vector.
U: The type of the result of the aggregator.

Return Value

Matrix<U>
A new matrix, with columns indexed by the unique elements of groupingVector, and as values the result of applying aggregator to each group of each row.

AggregateRowsBy<C>(C, TypePreservingAggregatorGroup)

Returns a new matrix that aggregates the rows grouped by the specified row.

public Matrix<T> AggregateRowsBy<C>(
	C groupingRowKey,
	TypePreservingAggregatorGroup aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of C) ( 
	groupingRowKey As C,
	aggregator As TypePreservingAggregatorGroup
) As Matrix(Of T)

C++/CLI

public:
generic<typename C>
Matrix<T>^ AggregateRowsBy(
	C groupingRowKey, 
	TypePreservingAggregatorGroup^ aggregator
)

member AggregateRowsBy : 
        groupingRowKey : 'C * 
        aggregator : TypePreservingAggregatorGroup -> Matrix<'T>

Parameters

groupingRowKey C: The key of the grouping row.
aggregator TypePreservingAggregatorGroup: The aggregator to apply to each group.

Type Parameters

C: The type of the row keys.

Return Value

Matrix<T>
A new matrix, with columns indexed by the unique elements of the row with key groupingRowKey, and values the result of applying aggregator to each group of the remaining rows.

AggregateRowsBy<R, TResult>(R, Func<Vector<T>, TResult>)

Applies the specified aggregation function to the values in each row grouped by the specified grouping row.

public Matrix<TResult> AggregateRowsBy<R, TResult>(
	R groupingRowKey,
	Func<Vector<T>, TResult> aggregator
)

Visual Basic

Public Function AggregateRowsBy(Of R, TResult) ( 
	groupingRowKey As R,
	aggregator As Func(Of Vector(Of T), TResult)
) As Matrix(Of TResult)

C++/CLI

public:
generic<typename R, typename TResult>
Matrix<TResult>^ AggregateRowsBy(
	R groupingRowKey, 
	Func<Vector<T>^, TResult>^ aggregator
)

member AggregateRowsBy : 
        groupingRowKey : 'R * 
        aggregator : Func<Vector<'T>, 'TResult> -> Matrix<'TResult>

Parameters

groupingRowKey R: The key of the grouping row.
aggregator Func<Vector<T>, TResult>: A function that transforms a vector of type T to a value of type TResult.

Type Parameters

R: The element type of the row index of the matrix.
TResult: The type of the result of the aggregation.

Return Value

Matrix<TResult>
A new matrix with columns indexed by the unique elements of row groupingRowKey and values the result of aggregator applied to each grouping.

Matrix<T>.AggregateRowsBy Method

Definition

Overload List

AggregateRowsBy<C, TResult>(C, AggregatorGroup<TResult>)

Parameters

Type Parameters

Return Value

AggregateRowsBy<TResult>(IGrouping, Aggregator<T, TResult>)

Parameters

Type Parameters

Return Value

AggregateRowsBy<TResult>(IGrouping, AggregatorGroup<TResult>)

Parameters

Type Parameters

Return Value

AggregateRowsBy<K, U>(IList<K>, AggregatorGroup<U>)

Parameters

Type Parameters

Return Value

AggregateRowsBy<C>(C, TypePreservingAggregatorGroup)

Parameters

Type Parameters

Return Value

AggregateRowsBy<R, TResult>(R, Func<Vector<T>, TResult>)

Parameters

Type Parameters

Return Value

See Also

Reference