Java - Calculate the Harmonic Mean
04 Oct 2013Here is a small snippet to calculate the harmonic mean of a data set.
The harmonic mean is defined as:
public static double harmonicMean(double[] data)
{
double sum = 0.0;
for (int i = 0; i < data.length; i++) {
sum += 1.0 / data[i];
}
return data.length / sum;
}