# File lib/ai4r/experiment/classifier_evaluator.rb, line 66
      def test(data_set)
        result_data_items = []
        @classifiers.each do |classifier|
          result_data_items << test_classifier(classifier, data_set)
        end
        return Ai4r::Data::DataSet.new(:data_items => result_data_items, 
          :data_labels => ["Classifier","Testing Time","Errors","Success rate"])
      end