/// <summary>
/// Calculates the Hanning distance between two sets of points.
/// <see href="http://en.wikipedia.org/wiki/Hamming_distance" />
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public static Number Hanning(Number[]x, Number[] y)
{
CheckArgumentLengths(x, y);
return x.Zip(y, (l, r) => l.Equals(r) ? 0 : 1).Sum();
}
