Exemplo n.º 1
0
        public static BayesianNetworkClassifier CreateABCMinerPlusClassifier(int seed, int iterations, int colonySize, int convergence, int maxParents, Dataset trainingSet, DataMining.ClassificationMeasures.IClassificationQualityMeasure measure, bool performLocalSearch, bool fireEvents, out BayesianNetworkClassifier abcBNClassifier)
        {
            DataMining.Utilities.RandomUtility.Initialize(seed);

            VariableTypeAssigmentInvalidator       invalidator1             = new VariableTypeAssigmentInvalidator();
            BayesianClassificationQualityEvaluator evaluator                = new BayesianClassificationQualityEvaluator(measure);
            VariableTypeAssignmentLocalSearch      localSearch1             = new VariableTypeAssignmentLocalSearch(evaluator);
            DefaultHeuristicCalculator <VariableTypeAssignment> calculator1 = new DefaultHeuristicCalculator <VariableTypeAssignment>();
            Problem <VariableTypeAssignment> problem1 = new Problem <VariableTypeAssignment>(invalidator1, calculator1, evaluator, localSearch1);

            CyclicRelationInvalidator  invalidator2 = new CyclicRelationInvalidator();
            BackwardRemovalLocalSearch localSearch2 = new BackwardRemovalLocalSearch(evaluator);
            CMICalculator  calculator = new CMICalculator();
            Problem <Edge> problem2   = new Problem <Edge>(invalidator2, calculator, evaluator, localSearch2);

            ABCMinerPlus abcMinerPlus = new ABCMinerPlus(iterations, colonySize, convergence, problem2, problem1, maxParents, trainingSet, performLocalSearch);

            if (fireEvents)
            {
                abcMinerPlus.ABCAlgorithm.OnPostAntSolutionContruction += new EventHandler(abclassifier_OnPostAntSolutionContruction);
                abcMinerPlus.ABCAlgorithm.OnPostColonyIteration        += new EventHandler(abclassifier_OnPostColonyIteration);

                abcMinerPlus.ABCMinerAlgorithm.OnPostAntSolutionContruction += new EventHandler(abclassifier_OnPostAntSolutionContruction);
                abcMinerPlus.ABCMinerAlgorithm.OnPostColonyIteration        += new EventHandler(abclassifier_OnPostColonyIteration);

                abcMinerPlus.OnVariableTypeAssignmentCompleted += new EventHandler(abcMinerPlus_OnVariableTypeAssignmentCompleted);
            }


            BayesianNetworks.Model.BayesianNetworkClassifier bnclassifier = abcMinerPlus.CreateClassifier() as BayesianNetworkClassifier;
            abcBNClassifier = abcBNClassfier;
            return(bnclassifier);
        }
Exemplo n.º 2
0
        public static BayesianNetworkClassifier CreateABCClassifier(int seed, int iterations, int colonySize, int convergence, Dataset trainingSet, DataMining.ClassificationMeasures.IClassificationQualityMeasure measure, bool performLocalSearch, bool fireEvents)
        {
            DataMining.Utilities.RandomUtility.Initialize(seed);

            VariableTypeAssigmentInvalidator       invalidator             = new VariableTypeAssigmentInvalidator();
            BayesianClassificationQualityEvaluator evaluator               = new BayesianClassificationQualityEvaluator(measure);
            VariableTypeAssignmentLocalSearch      localSearch             = new VariableTypeAssignmentLocalSearch(evaluator);
            DefaultHeuristicCalculator <VariableTypeAssignment> calculator = new DefaultHeuristicCalculator <VariableTypeAssignment>();
            Problem <VariableTypeAssignment> problem = new Problem <VariableTypeAssignment>(invalidator, calculator, evaluator, localSearch);

            ABC abc = new ABC(iterations, colonySize, convergence, problem, trainingSet, performLocalSearch);


            if (fireEvents)
            {
                abc.OnPostAntSolutionContruction += new EventHandler(abclassifier_OnPostAntSolutionContruction);
                abc.OnPostColonyIteration        += new EventHandler(abclassifier_OnPostColonyIteration);
            }


            BayesianNetworks.Model.BayesianNetworkClassifier bnclassifier = abc.CreateClassifier() as BayesianNetworkClassifier;
            return(bnclassifier);
        }