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EntityFunctions::StandardDeviation Method (IEnumerable<Nullable<Double>>)

Invokes the canonical StDev function. For information about the canonical StDev function, see Aggregate Canonical Functions (Entity SQL).

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

[EdmFunctionAttribute(L"Edm", L"StDev")]
static Nullable<double> StandardDeviation(
	IEnumerable<Nullable<double>>^ collection


Type: System.Collections.Generic::IEnumerable<Nullable<Double>>
A set of numeric values.

Return Value

Type: System::Nullable<Double>
The statistical standard deviation of the input collection.

This function is translated to a corresponding function in the database.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.