Enumerable.Average Method (IEnumerable<Nullable<Int64>>)
Computes the average of a sequence of nullable Int64 values.
Assembly: System.Core (in System.Core.dll)
Return ValueType: 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.
Usage NoteIn Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<Nullable<Int64>>. When you use instance method syntax to call this method, omit the first parameter.
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 to calculate an average.
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