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EdmFunctions.StDev(DbExpression) Method

  • Reference

Definition

Namespace:
System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder
Assembly:
EntityFramework.dll

Creates a DbFunctionExpression that invokes the canonical 'StDev' function over the non-null members of the specified collection. The result type of the expression is Edm.Double.

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId="St")]
public static System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression StDev (this System.Data.Entity.Core.Common.CommandTrees.DbExpression collection);
static member StDev : System.Data.Entity.Core.Common.CommandTrees.DbExpression -> System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function StDev (collection As DbExpression) As DbFunctionExpression

Parameters

collection
DbExpression

An expression that specifies the collection for which the standard deviation should be computed.

Returns

DbFunctionExpression

A new DbFunctionExpression that produces the standard deviation value over non-null members of the collection.

Attributes
SuppressMessageAttribute

Applies to