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DescriptiveStatistics.SecondCentralMomentOrDefault Method (IEnumerable<Nullable<Decimal> > , Decimal)

Returns the second central moment of the container's values. http://en.wikipedia.org/wiki/Central_moment

Namespace:  FinMath.Statistics
Assembly:  FinMath (in FinMath.dll) Version: 2.4.7-0a995bd0ea1854c2c868ec3f8dae606c5777e170
Syntax
C#
public static decimal SecondCentralMomentOrDefault(
	this IEnumerable<Nullable<decimal>> data,
	[OptionalAttribute] decimal defaultValue
)

Parameters

data
Type: System.Collections.Generic.IEnumerable<Nullable<Decimal>>
Reference to a container object.
defaultValue (Optional)
Type: System.Decimal
The default value to return of calculation fail.

Return Value

Type: Decimal
The second central moment.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<Nullable<Decimal>>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also