| DFGenericColumnApply(String, FuncDouble, Double) Method |
Returns a new numeric column with the given name and same size as
this column, whose values are the result of applying the given
double unary function to each element of this column.
Namespace: CenterSpace.NMath.CoreAssembly: NMath (in NMath.dll) Version: 7.4
Syntax public DFNumericColumn Apply(
string name,
Func<double, double> function
)
Public Function Apply (
name As String,
function As Func(Of Double, Double)
) As DFNumericColumn
public:
DFNumericColumn^ Apply(
String^ name,
Func<double, double>^ function
)
member Apply :
name : string *
function : Func<float, float> -> DFNumericColumn
Parameters
- name String
-
Name for the new column.
- function FuncDouble, Double
-
A delegate object representing a function that
takes a single double parameter and returns a double.
Return Value
DFNumericColumn
A new column with the same name and size as self and with
c[i] = function( this[i] ).
Exceptions Remarks
An attempt will be made to convert each value in this column to a
double to perform the operation. No data in this column will
be changed.
See Also