Beispiel #1
0
        /// <summary>
        ///     Perform the training.
        /// </summary>
        /// <param name="train">The training method.</param>
        /// <param name="method">The ML method.</param>
        /// <param name="trainingSet">The training set.</param>
        private void PerformTraining(IMLTrain train, IMLMethod method,
                                     IMLDataSet trainingSet)
        {
            ValidateNetwork.ValidateMethodToData(method, trainingSet);
            double targetError = Prop.GetPropertyDouble(
                ScriptProperties.MlTrainTargetError);

            Analyst.ReportTrainingBegin();
            int maxIteration = Analyst.MaxIteration;

            if (train.ImplementationType == TrainingImplementationType.OnePass)
            {
                train.Iteration();
                Analyst.ReportTraining(train);
            }
            else
            {
                do
                {
                    train.Iteration();
                    Analyst.ReportTraining(train);
                } while ((train.Error > targetError) &&
                         !Analyst.ShouldStopCommand() &&
                         !train.TrainingDone &&
                         ((maxIteration == -1) || (train.IterationNumber < maxIteration)));
            }
            train.FinishTraining();

            Analyst.ReportTrainingEnd();
        }
Beispiel #2
0
        /// <summary>
        /// </summary>
        public override sealed bool ExecuteCommand(String args)
        {
            _kfold = ObtainCross();
            IMLDataSet trainingSet = ObtainTrainingSet();
            IMLMethod  method      = ObtainMethod();
            IMLTrain   trainer     = CreateTrainer(method, trainingSet);

            EncogLogging.Log(EncogLogging.LevelDebug, "Beginning training");

            PerformTraining(trainer, method, trainingSet);

            String resourceID = Prop.GetPropertyString(
                ScriptProperties.MlConfigMachineLearningFile);
            FileInfo resourceFile = Analyst.Script.ResolveFilename(
                resourceID);

            method = trainer.Method;
            EncogDirectoryPersistence.SaveObject(resourceFile, method);
            EncogLogging.Log(EncogLogging.LevelDebug, "save to:" + resourceID);

            return(Analyst.ShouldStopCommand());
        }