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
)
<ExtensionAttribute>
Public Shared Function CovarianceSample(Of TInput) (
partition As ISetWindowFieldsPartition(Of TInput),
selector1 As Func(Of TInput, Nullable(Of Integer)),
selector2 As Func(Of TInput, Nullable(Of Integer)),
Optional window As SetWindowFieldsWindow = Nothing
) As Nullable(Of Double)
[<ExtensionAttribute>]
static member CovarianceSample :
partition : ISetWindowFieldsPartition<'TInput> *
selector1 : Func<'TInput, Nullable<int>> *
selector2 : Func<'TInput, Nullable<int>> *
?window : SetWindowFieldsWindow
(* Defaults:
let _window = defaultArg window null
*)
-> Nullable<float>
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