NMathFunctionsNaNCountIf(IDFColumn, FuncDouble, Boolean) Method

Calculates how many elements in a column return true when a logical function is applied to the elements that are not missing.

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4

Syntax

public static int NaNCountIf(
	IDFColumn data,
	Func<double, bool> function
)

Public Shared Function NaNCountIf ( 
	data As IDFColumn,
	function As Func(Of Double, Boolean)
) As Integer

public:
static int NaNCountIf(
	IDFColumn^ data, 
	Func<double, bool>^ function
)

static member NaNCountIf : 
        data : IDFColumn * 
        function : Func<float, bool> -> int

data IDFColumn: A column.
function FuncDouble, Boolean: A function that takes a double and returns a boolean.

Int32
A count.

Exceptions

Exception	Condition
InvalidArgumentException	Thrown if data does not contain numeric data.