gistfile1.txt

    def normalized_experiments
      if @experiments.nil?
        nil
      else
        experiment_config = {}
        @experiments.keys.each do | name |
          experiment_config[name] = {}
        end
        @experiments.each do | experiment_name, settings|
          experiment_config[experiment_name][:alternatives] = normalize_alternatives(settings[:alternatives]) if settings[:alternatives] 
        end
        experiment_config
      end
    end