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MongoEnumerable.StandardDeviationSample Method (IEnumerable<Nullable<Single>>)
Computes the sample standard deviation of a sequence of values.

Namespace: MongoDB.Driver.Linq
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.2.0
Syntax
public static Nullable<float> StandardDeviationSample(
	this IEnumerable<Nullable<float>> source
)

Parameters

source
Type: System.Collections.Generic.IEnumerable<Nullable<Single>>
A sequence of values to calculate the population standard deviation of.

Return Value

Type: Nullable<Single>
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 IEnumerable<Nullable<Single>>. 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