Method: Daru::Accessors::ArrayWrapper#mean

Defined in:
lib/daru/accessors/array_wrapper.rb

#mean ⇒ Object 



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# File 'lib/daru/accessors/array_wrapper.rb', line 78

def mean
  values_to_sum = compact
  return nil if values_to_sum.empty?
  sum = values_to_sum.inject :+
  sum.quo(values_to_sum.size).to_f
end