module Weka
  module Classifiers
    java_import 'weka.classifiers.Evaluation'

    class Evaluation

      # Use both nomenclatures f_measure and fmeasure for consistency
      # due to jruby's auto method generation of 'fMeasure' to 'f_measure' and
      # 'weightedFMeasure' to 'weighted_fmeasure'.
      alias :weighted_f_measure       :weighted_fmeasure
      alias :fmeasure                 :f_measure

      alias :summary                  :to_summary_string
      alias :class_details            :to_class_details_string

      alias :instance_count           :num_instances
      alias :correct_count            :correct
      alias :incorrect_count          :incorrect
      alias :unclassified_count       :unclassified

      alias :correct_percentage       :pct_correct
      alias :incorrect_percentage     :pct_incorrect
      alias :unclassified_percentage  :pct_unclassified

      alias :true_negative_count      :num_true_negatives
      alias :false_negative_count     :num_false_negatives
      alias :true_positive_count      :num_true_positives
      alias :false_positive_count     :num_false_positives
      alias :average_cost             :avg_cost

      alias :cumulative_margin_distribution :to_cumulative_margin_distribution_string
    end

    Java::WekaClassifiers::Evaluation.__persistent__ = true

  end
end