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StatisticsPopulationCovariance Method (IEnumerableNullableDouble, IEnumerableNullableDouble)
Evaluates the population covariance from the provided full populations. On a dataset of size N will use an N normalize and would thus be biased if applied to a subset. Returns NaN if data is empty or if any entry is NaN. Null-entries are ignored.

Namespace: MathNet.Numerics.Statistics
Assembly: MathNet.Numerics (in MathNet.Numerics.dll) Version: 3.7
Syntax
C#
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public static double PopulationCovariance(
	this IEnumerable<Nullable<double>> population1,
	IEnumerable<Nullable<double>> population2
)

Parameters

population1
Type: System.Collections.GenericIEnumerableNullableDouble
The full population data.
population2
Type: System.Collections.GenericIEnumerableNullableDouble
The full population data.

Return Value

Type: Double

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableNullableDouble. 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