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EntityFunctions.StandardDeviation Method (IEnumerable<Nullable<Int64>>)

Invokes the canonical StDev function. For information about the canonical StDev function, see Canonical Functions.

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)
[EdmFunctionAttribute("Edm", "StDev")]
public static Nullable<double> StandardDeviation(
	IEnumerable<Nullable<long>> collection


Type: System.Collections.Generic.IEnumerable<Nullable<Int64>>

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: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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