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MongoEnumerableStandardDeviationPopulationTSource Method (IEnumerableTSource, FuncTSource, NullableDecimal)

Computes the population 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: 2.8.0+cc573f3e1f48f39162b4b680e921a623e127e8fa
public static Nullable<decimal> StandardDeviationPopulation<TSource>(
	this IEnumerable<TSource> source,
	Func<TSource, Nullable<decimal>> selector


Type: System.Collections.GenericIEnumerableTSource
A sequence of values to calculate the population standard deviation of.
Type: SystemFuncTSource, NullableDecimal
A transform function to apply to each element.

Type Parameters

The type of the elements of source.

Return Value

Type: NullableDecimal
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