public static IEnumerable <Point2D> MovingAverage(this IList <Point2D> data, double windowSize)
{
if (data.Count == 0)
{
yield break;
}
var orderedData = data.OrderBy(p => p.X).ToList();
var slidingWindow = new SlidingWindow <Point2D>(orderedData, p => p.X, windowSize, WindowPositioningType.CenteredAtPosition);
foreach (var point in orderedData)
{
slidingWindow.SetPosition(point.X);
yield return(new Point2D(point.X, slidingWindow.Average(p => p.Y)));
}
}
