Returns a new column with the given name and size containing the items in this column that evaluate to true using the given logical function.

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

Syntax

C#
public DFStringColumn Apply(
	string name,
	StatsFunctions..::.LogicalStringFunction function
)
Visual Basic (Declaration)
Public Function Apply ( _
	name As String, _
	function As StatsFunctions..::.LogicalStringFunction _
) As DFStringColumn
Visual C++
public:
DFStringColumn^ Apply(
	String^ name, 
	StatsFunctions..::.LogicalStringFunction^ function
)

Parameters

name
Type: System..::.String
Name for the new column.
function
Type: CenterSpace.NMath.Stats..::.StatsFunctions..::.LogicalStringFunction
A delegate object representing a function that takes a single string parameter and returns a bool.

Return Value

A new column with the given name containing the items in this column that evaluate to true using the given logical function.

Remarks

For example, if you apply a function that returns true if a string starts with "b" to a column containing "banana", "apple", "boat", "car", a new column containing "banana", "boat" is returned.

See Also