class Array

Public Instance Methods

by_popularity() click to toggle source

# File lib/creative_rails_utilities/array.rb, line 8
def by_popularity    
  return histogram.keys
end

histogram() click to toggle source

# 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