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DFStringColumnApply(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.Core
Assembly: NMath (in NMath.dll) Version: 7.4
Syntax
public DFNumericColumn Apply(
	string name,
	Func<double, double> function
)

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
ExceptionCondition
InvalidArgumentException Thrown if the values in this column cannot be converted to numeric values.
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