ISetWindowFieldsPartitionExtensionsCovariancePopulationTInput Method (ISetWindowFieldsPartitionTInput, FuncTInput, NullableDouble, FuncTInput, NullableDouble, SetWindowFieldsWindow) |
Returns the population 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: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntax public static double? CovariancePopulation<TInput>(
this ISetWindowFieldsPartition<TInput> partition,
Func<TInput, double?> selector1,
Func<TInput, double?> selector2,
SetWindowFieldsWindow window = null
)
<ExtensionAttribute>
Public Shared Function CovariancePopulation(Of TInput) (
partition As ISetWindowFieldsPartition(Of TInput),
selector1 As Func(Of TInput, Double?),
selector2 As Func(Of TInput, Double?),
Optional window As SetWindowFieldsWindow = Nothing
) As Double?
[<ExtensionAttribute>]
static member CovariancePopulation :
partition : ISetWindowFieldsPartition<'TInput> *
selector1 : Func<'TInput, Nullable<float>> *
selector2 : Func<'TInput, Nullable<float>> *
?window : SetWindowFieldsWindow
(* Defaults:
let _window = defaultArg window null
*)
-> Nullable<float>
Parameters
- partition
- Type: MongoDB.DriverISetWindowFieldsPartitionTInput
The partition. - selector1
- Type: SystemFuncTInput, NullableDouble
The selector that defines the first expression. - selector2
- Type: SystemFuncTInput, NullableDouble
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