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DescriptiveStatistics.CovarianceSampleOrDefault Method (IEnumerable<Nullable<Int32> > , IEnumerable<Nullable<Int32> > , Double)

Returns sample covariance between values in containers. The containers must have the same size. http://en.wikipedia.org/wiki/Covariance

Namespace:  FinMath.Statistics
Assembly:  FinMath (in FinMath.dll) Version: 2.4.7-0a995bd0ea1854c2c868ec3f8dae606c5777e170
Syntax
C#
public static double CovarianceSampleOrDefault(
	this IEnumerable<Nullable<int>> data,
	IEnumerable<Nullable<int>> other,
	double defaultValue = 0
)

Parameters

data
Type: System.Collections.Generic.IEnumerable<Nullable<Int32>>
Reference to a container object.
other
Type: System.Collections.Generic.IEnumerable<Nullable<Int32>>
Another container to calculate statistics.
defaultValue (Optional)
Type: System.Double
The default value to return of calculation fail.

Return Value

Type: Double
The sample covariance.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<Nullable<Int32>>. 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