Average Method (IEnumerable(Nullable(Int64)))

Enumerable.Average Method (IEnumerable<Nullable<Int64>>)

 

Computes the average of a sequence of nullable Int64 values.

Namespace:   System.Linq
Assembly:  System.Core (in System.Core.dll)

static member Average : 
        source:IEnumerable<Nullable<int64>> -> Nullable<float>

Parameters

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

A sequence of nullable Int64 values to calculate the average of.

Return Value

Type: System.Nullable<Double>

The average of the sequence of values, or null if the source sequence is empty or contains only values that are null.

Exception Condition
ArgumentNullException

source is null.

OverflowException

The sum of the elements in the sequence is larger than MaxValue.

In Visual Basic query expression syntax, an Aggregate Into Average() clause translates to an invocation of Average.

The following code example demonstrates how to use Average(IEnumerable<Nullable<Int64>>) to calculate an average.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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