Get hmean value : Math extensions « Development « Ruby

1. Ruby
2. Development
3. Math extensions

Get hmean value

def hmean(x)
  sum=0
  x.each {|v| sum += (1.0/v)}
  x.size/sum
end

data = [1.1,2.3,3.3,1.2,4.5,2.1,6.6 ]
puts hm = hmean(data)  # 2.101997946

 

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