DFDateTimeColumnApply(String, FuncDateTime, DateTime, DateTime, DFDateTimeColumn) Method

Returns a new column with the given name and same size as this column, whose values are the result of applying the given binary function to each element of this column. The first parameter to the binary function is an element of self; the second parameter is the corresponding element of the passed column.

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

Syntax

C++

Copy

public DFDateTimeColumn Apply(
	string name,
	Func<DateTime, DateTime, DateTime> function,
	DFDateTimeColumn column
)

Public Function Apply ( 
	name As String,
	function As Func(Of DateTime, DateTime, DateTime),
	column As DFDateTimeColumn
) As DFDateTimeColumn

public:
DFDateTimeColumn^ Apply(
	String^ name, 
	Func<DateTime, DateTime, DateTime>^ function, 
	DFDateTimeColumn^ column
)

member Apply : 
        name : string * 
        function : Func<DateTime, DateTime, DateTime> * 
        column : DFDateTimeColumn -> DFDateTimeColumn

Parameters

name String: Name for the new column.
function FuncDateTime, DateTime, DateTime: A delegate object representing a function that takes two DateTime parameters and returns a DateTime.
column DFDateTimeColumn: A column of parameters to function.

Return Value

DFDateTimeColumn
A column with the same name and size as self and with c[i] = function( this[i], column[i] )

Exceptions

Exception	Condition
MismatchedSizeException	Thrown if the passed column is not the same length as this column.

Reference

DFDateTimeColumn Class

Apply Overload

CenterSpace.NMath.Core Namespace