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StatisticsCovariance Method (IEnumerableNullableDouble, IEnumerableNullableDouble)
Estimates the unbiased population covariance from the provided samples. On a dataset of size N will use an N-1 normalizer (Bessel's correction). Returns NaN if data has less than two entries 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 Covariance(
	this IEnumerable<Nullable<double>> samples1,
	IEnumerable<Nullable<double>> samples2
)

Parameters

samples1
Type: System.Collections.GenericIEnumerableNullableDouble
A subset of samples, sampled from the full population.
samples2
Type: System.Collections.GenericIEnumerableNullableDouble
A subset of samples, sampled from the full population.

Return Value

Type: Double

[Missing <returns> documentation for "M:MathNet.Numerics.Statistics.Statistics.Covariance(System.Collections.Generic.IEnumerable{System.Nullable{System.Double}},System.Collections.Generic.IEnumerable{System.Nullable{System.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