Enumerable.Average<TSource> Method (IEnumerable<TSource>, Func<TSource, Int64>)
Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.
Assembly: System.Core (in System.Core.dll)
public static double Average<TSource>( this IEnumerable<TSource> source, Func<TSource, long> selector )
A sequence of values to calculate the average of.
Return ValueType: System.Double
The average of the sequence of values.
The type of the elements of source.
In Visual Basic query expression syntax, an Aggregate Into Average() clause translates to an invocation of Average.
The following code example demonstrates how to useto calculate an average.
Available since 4.5
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 8.1