Harmonic Mean in Python
# Dataset
runners = [4, 3, 6, 8, 10, 11, 5]
Example 1 Manual Calc
n = len(runners)
# Calculate the sum of reciprocals
reciprocal_sum = sum(1/x for x in runners)
# Calculate harmonic mean
harmonic_mean_manual = n / reciprocal_sum
harmonic_mean_manual
Example 2 statistics
import statistics as stats
# Calculate harmonic mean
data = runners
harmonic_mean_stats = stats.harmonic_mean(runners)
print(harmonic_mean_stats)
df.loc[idx]
df.loc[idx]
Example 3 scipy
from scipy.stats import hmean
harmonic_mean_scipy = hmean(data)
print(harmonic_mean_scipy)
