ISetWindowFieldsPartitionExtensionsDerivativeTInput Method (ISetWindowFieldsPartitionTInput, FuncTInput, Single, WindowTimeUnit, SetWindowFieldsWindow) |
Returns the average rate of change within the specified window.
Namespace:
MongoDB.Driver.Linq
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntax public static double Derivative<TInput>(
this ISetWindowFieldsPartition<TInput> partition,
Func<TInput, float> selector,
WindowTimeUnit unit,
SetWindowFieldsWindow window = null
)
<ExtensionAttribute>
Public Shared Function Derivative(Of TInput) (
partition As ISetWindowFieldsPartition(Of TInput),
selector As Func(Of TInput, Single),
unit As WindowTimeUnit,
Optional window As SetWindowFieldsWindow = Nothing
) As Double
[<ExtensionAttribute>]
static member Derivative :
partition : ISetWindowFieldsPartition<'TInput> *
selector : Func<'TInput, float32> *
unit : WindowTimeUnit *
?window : SetWindowFieldsWindow
(* Defaults:
let _window = defaultArg window null
*)
-> float
Parameters
- partition
- Type: MongoDB.DriverISetWindowFieldsPartitionTInput
The partition. - selector
- Type: SystemFuncTInput, Single
The selector that selects a value from the input document. - unit
- Type: MongoDB.Driver.LinqWindowTimeUnit
The unit for time based derivatives. - window (Optional)
- Type: MongoDB.DriverSetWindowFieldsWindow
The window boundaries.
Type Parameters
- TInput
- The type of the input documents in the partition.
Return Value
Type:
DoubleThe average rate of change within the specified window.
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