Contents

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

    return Hash[histogram]
  end

  def by_popularity    
    return histogram.keys
  end

end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
creative_rails_utilities-0.4.8	lib/creative_rails_utilities/array.rb
creative_rails_utilities-0.4.7	lib/creative_rails_utilities/array.rb
creative_rails_utilities-0.4.6	lib/creative_rails_utilities/array.rb
creative_rails_utilities-0.4.5	lib/creative_rails_utilities/array.rb
creative_rails_utilities-0.4.4	lib/creative_rails_utilities/array.rb
creative_rails_utilities-0.4.3	lib/creative_rails_utilities/array.rb