Get hmean value : Math extensions « Development « Ruby

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Ruby » Development » 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   Related examples in the same category 1.  Add function to Math module 2.  Your own math function 3.  Get mean value 4.  Return the gmean value 5.  Get the median value 6.  Get the mode value 7.  Get variance value 8.  Get sigma value

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