Exemplo n.º 1
0
        /// <summary>
        /// Create a trainer, use cross validation if enabled.
        /// </summary>
        ///
        /// <param name="method">The method to use.</param>
        /// <param name="trainingSet">The training set to use.</param>
        /// <returns>The trainer.</returns>
        private IMLTrain CreateTrainer(IMLMethod method,
                                      IMLDataSet trainingSet)
        {
            var factory = new MLTrainFactory();

            String type = Prop.GetPropertyString(
                ScriptProperties.MlTrainType);
            String args = Prop.GetPropertyString(
                ScriptProperties.MlTrainArguments);

            EncogLogging.Log(EncogLogging.LevelDebug, "training type:" + type);
            EncogLogging.Log(EncogLogging.LevelDebug, "training args:" + args);

            IMLTrain train = factory.Create(method, trainingSet, type, args);

            if (_kfold > 0)
            {
                train = new CrossValidationKFold(train, _kfold);
            }

            return train;
        }
Exemplo n.º 2
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        public void Process(String methodName, String methodArchitecture, String trainerName, String trainerArgs,
            int outputNeurons)
        {
            // first, create the machine learning method
            var methodFactory = new MLMethodFactory();
            IMLMethod method = methodFactory.Create(methodName, methodArchitecture, 2, outputNeurons);

            // second, create the data set
            IMLDataSet dataSet = new BasicMLDataSet(XORInput, XORIdeal);

            // third, create the trainer
            var trainFactory = new MLTrainFactory();
            IMLTrain train = trainFactory.Create(method, dataSet, trainerName, trainerArgs);
            // reset if improve is less than 1% over 5 cycles
            if (method is IMLResettable && !(train is ManhattanPropagation))
            {
                train.AddStrategy(new RequiredImprovementStrategy(500));
            }

            // fourth, train and evaluate.
            EncogUtility.TrainToError(train, 0.01);
            method = train.Method;
            EncogUtility.Evaluate((IMLRegression) method, dataSet);

            // finally, write out what we did
            Console.WriteLine(@"Machine Learning Type: " + methodName);
            Console.WriteLine(@"Machine Learning Architecture: " + methodArchitecture);

            Console.WriteLine(@"Training Method: " + trainerName);
            Console.WriteLine(@"Training Args: " + trainerArgs);
        }
Exemplo n.º 3
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        /// <summary>
        /// Perform the training option.
        /// </summary>
        public void Train()
        {
            // first, create the machine learning method
            var methodFactory = new MLMethodFactory();
            IMLMethod method = methodFactory.Create(Config.MethodType, Config.MethodArchitecture, Config.InputWindow, 1);

            // second, create the data set
            string filename = FileUtil.CombinePath(new FileInfo(_path), Config.FilenameTrain).ToString();
            IMLDataSet dataSet = EncogUtility.LoadEGB2Memory(new FileInfo(filename));

            // third, create the trainer
            var trainFactory = new MLTrainFactory();
            IMLTrain train = trainFactory.Create(method, dataSet, Config.TrainType, Config.TrainParams);
            // reset if improve is less than 1% over 5 cycles
            if (method is IMLResettable && !(train is ManhattanPropagation))
            {
                train.AddStrategy(new RequiredImprovementStrategy(500));
            }

            // fourth, train and evaluate.
            EncogUtility.TrainToError(train, Config.TargetError);
            method = train.Method;
            EncogDirectoryPersistence.SaveObject(FileUtil.CombinePath(new FileInfo(_path), Config.MethodName), method);

            // finally, write out what we did
            Console.WriteLine(@"Machine Learning Type: " + Config.MethodType);
            Console.WriteLine(@"Machine Learning Architecture: " + Config.MethodArchitecture);

            Console.WriteLine(@"Training Method: " + Config.TrainType);
            Console.WriteLine(@"Training Args: " + Config.TrainParams);
        }
 /// <summary>
 ///     Create a trainer.
 /// </summary>
 /// <param name="method">The method to train.</param>
 /// <param name="dataset">The dataset.</param>
 /// <returns>The trainer.</returns>
 private IMLTrain CreateTrainer(IMLMethod method, IMLDataSet dataset)
 {
     if (_trainingType == null)
     {
         throw new EncogError(
             "Please call selectTraining first to choose how to train.");
     }
     var trainFactory = new MLTrainFactory();
     IMLTrain train = trainFactory.Create(method, dataset, _trainingType,
         _trainingArgs);
     return train;
 }
Exemplo n.º 5
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 private IMLTrain x8d3a841b4ad80901(IMLMethod x1306445c04667cc7, IMLDataSet x1c9e132f434262d8)
 {
     string propertyString;
     string str2;
     MLTrainFactory factory = new MLTrainFactory();
     if (0 == 0)
     {
         propertyString = base.Prop.GetPropertyString("ML:TRAIN_type");
         do
         {
             str2 = base.Prop.GetPropertyString("ML:TRAIN_arguments");
             EncogLogging.Log(0, "training type:" + propertyString);
             EncogLogging.Log(0, "training args:" + str2);
         }
         while (0 != 0);
     }
     IMLTrain train = factory.Create(x1306445c04667cc7, x1c9e132f434262d8, propertyString, str2);
     while (this._x33d31451731666c6 > 0)
     {
         return new CrossValidationKFold(train, this._x33d31451731666c6);
     }
     return train;
 }
Exemplo n.º 6
0
        private void TrainCommand()
        {
            String methodFile = _cmd.Args[0];
            String trainingFile = _cmd.Args[1];

            String type = _cmd.PromptString("type", "rprop");
            String args = _cmd.PromptString("args", "");
            double maxError = _cmd.PromptDouble("maxError", 0.01);

            var dataSet = new BufferedMLDataSet(trainingFile);
            var method = (IMLMethod) EncogDirectoryPersistence.LoadObject(new FileInfo(methodFile));
            var factory = new MLTrainFactory();
            IMLTrain train = factory.Create(method, dataSet, type, args);
            _sw.Start();
            EncogUtility.TrainToError(train, maxError);
            Console.WriteLine(@"Saving machine learning method");
            EncogDirectoryPersistence.SaveObject(new FileInfo(methodFile), method);
        }