Пример #1
0
        public void TestRPROPCont()
        {
            IMLDataSet   trainingSet = XOR.CreateXORDataSet();
            BasicNetwork net1        = XOR.CreateUnTrainedXOR();
            BasicNetwork net2        = XOR.CreateUnTrainedXOR();

            ResilientPropagation rprop1 = new ResilientPropagation(net1, trainingSet);
            ResilientPropagation rprop2 = new ResilientPropagation(net2, trainingSet);

            rprop1.Iteration();
            rprop1.Iteration();

            rprop2.Iteration();
            rprop2.Iteration();

            TrainingContinuation cont = rprop2.Pause();

            ResilientPropagation rprop3 = new ResilientPropagation(net2, trainingSet);

            rprop3.Resume(cont);

            rprop1.Iteration();
            rprop3.Iteration();


            for (int i = 0; i < net1.Flat.Weights.Length; i++)
            {
                Assert.AreEqual(net1.Flat.Weights[i], net2.Flat.Weights[i], 0.0001);
            }
        }
Пример #2
0
        public void TestRPROPContPersistEG()
        {
            IMLDataSet   trainingSet = XOR.CreateXORDataSet();
            BasicNetwork net1        = XOR.CreateUnTrainedXOR();
            BasicNetwork net2        = XOR.CreateUnTrainedXOR();

            ResilientPropagation rprop1 = new ResilientPropagation(net1, trainingSet);
            ResilientPropagation rprop2 = new ResilientPropagation(net2, trainingSet);

            rprop1.Iteration();
            rprop1.Iteration();

            rprop2.Iteration();
            rprop2.Iteration();

            TrainingContinuation cont = rprop2.Pause();

            EncogDirectoryPersistence.SaveObject(EG_FILENAME, cont);
            TrainingContinuation cont2 = (TrainingContinuation)EncogDirectoryPersistence.LoadObject(EG_FILENAME);

            ResilientPropagation rprop3 = new ResilientPropagation(net2, trainingSet);

            rprop3.Resume(cont2);

            rprop1.Iteration();
            rprop3.Iteration();


            for (int i = 0; i < net1.Flat.Weights.Length; i++)
            {
                Assert.AreEqual(net1.Flat.Weights[i], net2.Flat.Weights[i], 0.0001);
            }
        }
Пример #3
0
        static void Main(string[] args)
        {
            using (var p = Process.GetCurrentProcess())
                p.PriorityClass = ProcessPriorityClass.Idle;

            FileInfo dataSetFile = new FileInfo("dataset.egb");
            FileInfo networkFile = new FileInfo($"network{networkID}.nn");
            FileInfo trainFile   = new FileInfo($"train{networkID}.tr");

            Console.WriteLine("Loading dataset.");
            if (!dataSetFile.Exists)
            {
                ExtractTrainData(dataSetFile);
                Console.WriteLine(@"Extracting dataset from database: " + dataSetFile);
                return;
            }
            var trainingSet = EncogUtility.LoadEGB2Memory(dataSetFile);

            Console.WriteLine($"Loaded {trainingSet.Count} samples. Input size: {trainingSet.InputSize}, Output size: {trainingSet.IdealSize}");

            BasicNetwork network;

            if (networkFile.Exists)
            {
                Console.WriteLine($"Loading network {networkFile.FullName}");
                network = (BasicNetwork)EncogDirectoryPersistence.LoadObject(networkFile);
            }
            else
            {
                Console.WriteLine("Creating NN.");
                network = EncogUtility.SimpleFeedForward(trainingSet.InputSize, 1000, 200, trainingSet.IdealSize, true);
                network.Reset();
            }

            using (var p = Process.GetCurrentProcess())
                Console.WriteLine($"RAM usage: {p.WorkingSet64 / 1024 / 1024} MB.");

            ResilientPropagation train = new ResilientPropagation(network, trainingSet)
            {
                ThreadCount = 0
            };

            if (trainFile.Exists)
            {
                TrainingContinuation cont = (TrainingContinuation)EncogDirectoryPersistence.LoadObject(trainFile);
                train.Resume(cont);
            }
            MyTrainConsole(train, network, trainingSet, minutes, networkFile, trainFile);
            Console.WriteLine(@"Final Error: " + train.Error);
            Console.WriteLine(@"Training complete, saving network.");
            EncogDirectoryPersistence.SaveObject(networkFile, network);
            Console.WriteLine(@"Network saved. Press s to stop.");
            ConsoleKeyInfo key;

            do
            {
                key = Console.ReadKey();
            }while (key.KeyChar != 's');
        }