NMathFunctionsIf(IDFColumn, FuncString, Boolean, String, String) Method

Creates a new column by applying a logical function to the elements of a column. Elements in the original column that return true are set to the given true value in the new column; elements that return false are set to the given false value.

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

Syntax

C++

Copy

public static IDFColumn If(
	IDFColumn data,
	Func<string, bool> function,
	string ifTrue,
	string ifFalse
)

Public Shared Function If ( 
	data As IDFColumn,
	function As Func(Of String, Boolean),
	ifTrue As String,
	ifFalse As String
) As IDFColumn

public:
static IDFColumn^ If(
	IDFColumn^ data, 
	Func<String^, bool>^ function, 
	String^ ifTrue, 
	String^ ifFalse
)

static member If : 
        data : IDFColumn * 
        function : Func<string, bool> * 
        ifTrue : string * 
        ifFalse : string -> IDFColumn

Parameters

data IDFColumn: A column.
function FuncString, Boolean: A function that takes a string and returns a boolean.
ifTrue String: Value in case of true.
ifFalse String: Value in case of false.

Return Value

IDFColumn
A new column.

Reference

NMathFunctions Class

If Overload

CenterSpace.NMath.Core Namespace