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QueryBuilder.AverageBy<'T,'Q,^Value> Method (F#)

A query operator that selects a value for each element selected so far and returns the average of these values.

Namespace/Module Path: Microsoft.FSharp.Linq

Assembly: FSharp.Core (in FSharp.Core.dll)

// Signature:
member this.AverageBy : QuerySource<'T,'Q> * ('T -> ^Value) -> ^Value when ^Value with static member (+) and ^Value with static member DivideByInt and ^Value with static member Zero

// Usage:
queryBuilder.AverageBy (source, projection)

source

Type: QuerySource<'T,'Q>

The input query.

projection

Type: 'T -> ^Value

A function that determines a value for each element.

The average of all the values produced by the projection function.

For more information and examples, see Query Expressions (F#)

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

F# Core Library Versions

Supported in: 4.0, Portable

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