ISetWindowFieldsPartitionExtensionsCovarianceSampleTInput Method (ISetWindowFieldsPartitionTInput, FuncTInput, NullableInt32, FuncTInput, NullableInt32, 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: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
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.DriverISetWindowFieldsPartitionTInput
The partition. - selector1
- Type: SystemFuncTInput, NullableInt32
The selector that defines the first expression. - selector2
- Type: SystemFuncTInput, NullableInt32
The selector that defines the second expression. - window (Optional)
- Type: MongoDB.DriverSetWindowFieldsWindow
The window boundaries.
Type Parameters
- TInput
- The type of the input documents in the partition.
Return Value
Type:
NullableDoubleThe 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
ISetWindowFieldsPartitionTInput. 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