MongoEnumerableStandardDeviationSampleTSource Method (IEnumerableTSource, FuncTSource, NullableDouble) |
Computes the sample standard deviation of a sequence of values that are obtained by invoking a transform function on each element of the input sequence.
Namespace:
MongoDB.Driver.Linq
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntax public static Nullable<double> StandardDeviationSample<TSource>(
this IEnumerable<TSource> source,
Func<TSource, Nullable<double>> selector
)
<ExtensionAttribute>
Public Shared Function StandardDeviationSample(Of TSource) (
source As IEnumerable(Of TSource),
selector As Func(Of TSource, Nullable(Of Double))
) As Nullable(Of Double)
[<ExtensionAttribute>]
static member StandardDeviationSample :
source : IEnumerable<'TSource> *
selector : Func<'TSource, Nullable<float>> -> Nullable<float>
Parameters
- source
- Type: System.Collections.GenericIEnumerableTSource
A sequence of values to calculate the population standard deviation of. - selector
- Type: SystemFuncTSource, NullableDouble
A transform function to apply to each element.
Type Parameters
- TSource
- The type of the elements of source.
Return Value
Type:
NullableDouble
The population standard deviation of the sequence of values.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IEnumerableTSource. 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