The formula is n1a11a21a31andisplaystyle frac nfrac 1a_1frac 1a_2frac 1a_3frac 1a_n where ndisplaystyle n is the number of values in the set of numbers and a1displaystyle a_1 a2displaystyle a_2 a3displaystyle a_3 are the values in the set1 X Research sourceStep 2 Determine the values you need to find the harmonic mean for. A more general F score that uses a positive real factor v where v is chosen such that recall is considered v times as important as precision is. How to Calculate the Harmonic Mean.
This video is meant to explain the intuition behind the formula used to calculate the harmonic mean.
147707 Harmonic mean is used when average of rates is required below is the formula. Calculate the harmonic mean of the numbers. If all values in a nonempty dataset are equal the three means are always equal to one another. Below are Steps to find the harmonic mean of any data.