Return the gmean value : Math extensions « Development « Ruby

1. Ruby
2. Development
3. Math extensions

Return the gmean value

def gmean(x)
  prod=1.0
  x.each {|v| prod *= v}
  prod**(1.0/x.size)
end

data = [1.1,2.3,3.3,1.2,4.5,2.1,6.6 ]

gm = gmean(data)  # 2.508411474

 

Related examples in the same category