Calculates the sum of elements in one vector based on evaluating a logical function on corresponding elements in another vector.

Namespace:  CenterSpace.NMath.Stats
Assembly:  NMathStats (in NMathStats.dll) Version: 3.4.0.0

Syntax

C#
public static double SumIf(
	DoubleVector data,
	StatsFunctions..::.LogicalDoubleFunction function,
	DoubleVector sum
)
Visual Basic (Declaration)
Public Shared Function SumIf ( _
	data As DoubleVector, _
	function As StatsFunctions..::.LogicalDoubleFunction, _
	sum As DoubleVector _
) As Double
Visual C++
public:
static double SumIf(
	DoubleVector^ data, 
	StatsFunctions..::.LogicalDoubleFunction^ function, 
	DoubleVector^ sum
)

Parameters

data
Type: CenterSpace.NMath.Core..::.DoubleVector
Evaluation vector.
function
Type: CenterSpace.NMath.Stats..::.StatsFunctions..::.LogicalDoubleFunction
A function that takes a double and returns a boolean.
sum
Type: CenterSpace.NMath.Core..::.DoubleVector
Sum vector.

Return Value

A sum.

Exceptions

ExceptionCondition
CenterSpace.NMath.Core..::.MismatchedSizeException Thrown if data and sum do not have the same length;

See Also