class Array
Public Instance Methods
average()
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# File lib/expressive_math/array.rb, line 11 def average self.inject { |total, number| total + number }.to_f end
total()
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# File lib/expressive_math/array.rb, line 2 def total if self.length > 0 return self[0] if self.length == 1 self.inject(0) { |number, total| total + number } else 0 end end