Class: StatisticsHelper::Series

Inherits:
Array
  • Object
show all
Defined in:
lib/helpers/statistics.rb,
lib/app/helpers/statistics.rb

Instance Method Summary collapse

Instance Method Details

#avg ⇒ Object 



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# File 'lib/helpers/statistics.rb', line 13

def mean
  return 0 if size == 0
  avg = sum / size
end

#mean ⇒ Object Also known as: average 



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# File 'lib/helpers/statistics.rb', line 7

def mean
  return 0 if size == 0
  avg = sum / size
end

#sum ⇒ Object 



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# File 'lib/helpers/statistics.rb', line 3

def sum
  inject(0.0) { |result, el| result + el }
end