Class: Array

Inherits:
Object show all
Defined in:
lib/creative_rails_utilities/array.rb

Instance Method Summary collapse

Instance Method Details

#by_popularity ⇒ Object 



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# File 'lib/creative_rails_utilities/array.rb', line 8

def by_popularity    
  return histogram.keys
end

#histogram ⇒ Object 



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# File 'lib/creative_rails_utilities/array.rb', line 2

def histogram
  histogram = each_with_object(Hash.new(0)) {|n, memo| memo[n] += 1}.sort_by{|k, v| -v}

  return Hash[histogram]
end