Click or drag to resize

ISetWindowFieldsPartitionExtensions.CovarianceSample<TInput> Method (ISetWindowFieldsPartition<TInput>, Func<TInput, Nullable<Int32>>, Func<TInput, Nullable<Int32>>, SetWindowFieldsWindow)

Returns the sample covariance of two numeric expressions that are evaluated using documents in the partition window.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.20.0+ee01960089f28ea1b501690df5fc9f6318a70242
Syntax
public static Nullable<double> CovarianceSample<TInput>(
	this ISetWindowFieldsPartition<TInput> partition,
	Func<TInput, Nullable<int>> selector1,
	Func<TInput, Nullable<int>> selector2,
	SetWindowFieldsWindow window = null
)

Parameters

partition
Type: MongoDB.Driver.ISetWindowFieldsPartition<TInput>
The partition.
selector1
Type: System.Func<TInput, Nullable<Int32>>
The selector that defines the first expression.
selector2
Type: System.Func<TInput, Nullable<Int32>>
The selector that defines the second expression.
window (Optional)
Type: MongoDB.Driver.SetWindowFieldsWindow
The window boundaries.

Type Parameters

TInput
The type of the input documents in the partition.

Return Value

Type: Nullable<Double>
The maximum of the selected values.

Usage Note

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