public void Train(IMLDataSet training)
{
ITrain train = new ResilientPropagation(network, training);
//SVDTraining train = new SVDTraining(network, training);
int epoch = 1;
do
{
train.Iteration();
if ((epoch) % (iterations / 10) == 0)
{
Console.Write(".");
}
epoch++;
} while (epoch < iterations * 100);
}
private void Train(BasicNetwork network, IMLDataSet trainingSet)
{
if (mTrainingMethod == TrainingMethod.ResilientPropagation)
{
ITrain train = new ResilientPropagation(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > mMaxError && epoch < mMaxEpoch);
}
else if (mTrainingMethod == TrainingMethod.LevenbergMarquardt)
{
LevenbergMarquardtTraining train = new LevenbergMarquardtTraining(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > mMaxError && epoch < mMaxEpoch);
}
else if (mTrainingMethod == TrainingMethod.Backpropagation)
{
Backpropagation train = new Backpropagation(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > mMaxError && epoch < mMaxEpoch);
}
else if (mTrainingMethod == TrainingMethod.ManhattanPropagation)
{
ManhattanPropagation train = new ManhattanPropagation(network, trainingSet, 0.9);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > mMaxError && epoch < mMaxEpoch);
}
}
/// <summary>
/// Evaluate how long it takes to calculate the error for the network. This
/// causes each of the training pairs to be run through the network. The
/// network is evaluated 10 times and the lowest time is reported.
/// </summary>
/// <param name="network">The training data to use.</param>
/// <param name="training">The number of seconds that it took.</param>
/// <returns></returns>
public static int EvaluateTrain(BasicNetwork network, IMLDataSet training)
{
// train the neural network
IMLTrain train = new ResilientPropagation(network, training);
int iterations = 0;
var watch = new Stopwatch();
watch.Start();
while (watch.ElapsedMilliseconds < (10 * Milis))
{
iterations++;
train.Iteration();
}
return(iterations);
}
private static void TrainNetwork()
{
var network = (BasicNetwork)EncogDirectoryPersistence.LoadObject(Config.TrainedNetworkFile);
var trainingSet = EncogUtility.LoadCSV2Memory(Config.NormalizedTrainingFile.ToString(), network.InputCount,
network.OutputCount, true, CSVFormat.English, false);
var train = new ResilientPropagation(network, trainingSet);
var epoch = 1;
do
{
train.Iteration();
Console.WriteLine("Epoch : {0} Error : {1}", epoch, train.Error);
epoch++;
} while (train.Error > 0.01);
EncogDirectoryPersistence.SaveObject(Config.TrainedNetworkFile, network);
}
private void Learn_Click(object sender, RoutedEventArgs e)
{
var downsample = new Downsampler();
var training = new ImageMLDataSet(downsample, true, 1, -1);
for (var i = 0; i < Images.Count; ++i)
{
var ideal = new BasicMLData(DIGITS_COUNT);
for (int j = 0; j < DIGITS_COUNT; ++j)
{
if (j == i)
{
ideal[j] = 1;
}
else
{
ideal[j] = -1;
}
}
foreach (var img in Images[i])
{
MemoryStream stream = new MemoryStream();
BitmapEncoder encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(img));
encoder.Save(stream);
var bitmap = new Drawing.Bitmap(stream);
var data = new ImageMLData(bitmap);
training.Add(data, ideal);
}
}
training.Downsample(DIGIT_HEIGHT, DIGIT_WIDTH);
network = EncogUtility.SimpleFeedForward(training.InputSize, 35, 0, training.IdealSize, true);
double strategyError = 0.01;
int strategyCycles = 2000;
var train = new ResilientPropagation(network, training);
//train.AddStrategy(new ResetStrategy(strategyError, strategyCycles));
EncogUtility.TrainDialog(train, network, training);
EncogDirectoryPersistence.SaveObject(new FileInfo("network.eg"), network);
}
public void LearnBot()
{
var rows = learnDbRepository.GetStorageRow();
foreach (var row in rows)
{
var inputs = createDoubles(row.Request);
var outputs = createDoubles(row.Responce);
IMLDataSet trainingSet = new BasicMLDataSet(new double[][] { inputs }, new double[][] { outputs });
IMLTrain train = new ResilientPropagation(NeuralNetwork, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > 0.0000000001);
}
}
public void Train(FileInfo networkFile, FileInfo trainingDataFile)
{
var network = EncogDirectoryPersistence.LoadObject(networkFile) as BasicNetwork;
var trainingSet = EncogUtility.LoadCSV2Memory(trainingDataFile.ToString(), network.InputCount,
network.OutputCount, true, CSVFormat.English, false);
var trainer = new ResilientPropagation(network, trainingSet);
int iter = 1;
do
{
trainer.Iteration();
Console.WriteLine($"\tIteration: {iter++} | Error: {trainer.Error}");
} while (trainer.Error > 0.01);
EncogDirectoryPersistence.SaveObject(networkFile, network);
}
/// <summary>
/// Train the network, to a specific error, send the output to the console.
/// </summary>
/// <param name="method">The model to train.</param>
/// <param name="trainingSet">The training set to use.</param>
/// <param name="error">The error level to train to.</param>
public static void TrainToError(IMLMethod method,
IMLDataSet trainingSet, double error)
{
IMLTrain train;
if (method is SupportVectorMachine)
{
train = new SVMTrain((SupportVectorMachine)method, trainingSet);
}
if (method is FreeformNetwork)
{
train = new FreeformResilientPropagation((FreeformNetwork)method, trainingSet);
}
else
{
train = new ResilientPropagation((IContainsFlat)method, trainingSet);
}
TrainToError(train, error);
}
static void Main(string[] args)
{
var network = new BasicNetwork();
network.AddLayer(new BasicLayer(2));
network.AddLayer(new BasicLayer(3));
network.AddLayer(new BasicLayer(1));
network.Structure.FinalizeStructure();
network.Reset();
var trainingDataSource = new CSVDataSource(@"Data\training.csv", true, ',');
//var validationDataSource = new CSVDataSource(@"Data\validation.csv", true, ',');
var trainingSet = new VersatileMLDataSet(trainingDataSource);
//var validationSet = new VersatileMLDataSet(validationDataSource);
trainingSet.Analyze();
trainingSet.Normalize();
var training = new ResilientPropagation(network, trainingSet);
int epoch = 1;
do
{
training.Iteration();
Console.WriteLine($"Epoch #{epoch}. Error: {training.Error}");
epoch++;
}while (training.Error > 0.01);
training.FinishTraining();
Console.WriteLine("Neural Network Results:");
foreach (var pair in trainingSet)
{
var output = network.Compute(pair.Input);
Console.WriteLine($"{pair.Input[0]},{pair.Input[1]}, actual={output[0]}, ideal={pair.Ideal}");
}
EncogFramework.Instance.Shutdown();
}
private static void Main(string[] args)
{
double[][] XOR_Input =
{
new[] { 0.0, 0.0 },
new[] { 1.0, 0.0 },
new[] { 0.0, 1.0 },
new[] { 1.0, 1.0 }
};
double[][] XOR_Ideal =
{
new[] { 0.0 },
new[] { 1.0 },
new[] { 1.0 },
new[] { 0.0 }
};
var traningSet = new BasicMLDataSet(XOR_Input, XOR_Ideal);
BasicNetwork network = CreateNetwork();
var train = new ResilientPropagation(network, traningSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
Console.WriteLine("Iteration no :{0}, Error: {1}", epoch, train.Error);
} while (train.Error > 0.00001);
foreach (var item in traningSet)
{
var output = network.Compute(item.Input);
Console.WriteLine("Input: {0},{1}, Ideal: {2}, Actual {3}", item.Input[0], item.Input[1], item.Ideal[0], output[0]);
}
Console.WriteLine("Press any key to exit..");
Console.ReadLine();
}
public static BasicNetwork setup(BasicNetwork net)
{
Pond.Pond pond = new Pond.Pond(null, null);
List <double[]> inputData = new List <double[]>();
List <double[]> outputData = new List <double[]>();
for (int i = 0; i < 600; i++)
{
double[] d = new double[8];
BasicMLData data = pond.getInputData();
for (int j = 0; j < 8; j++)
{
d[j] = data[j];
}
Vector2 vect = pond.getLineTarget();
double[] e = new double[2] {
(double)vect.X, (double)vect.Y
};
inputData.Add(d);
outputData.Add(e);
}
BasicMLDataSet trainingSet = new BasicMLDataSet(inputData.ToArray(), outputData.ToArray());
ResilientPropagation train = new ResilientPropagation(net, trainingSet);
int epoch = 0;
do
{
train.Iteration();
Console.WriteLine("Epoch #" + epoch + " Error:" + train.Error);
epoch++;
} while (train.Error > 0.01);
return(net);
}
/// <see cref="INetwork.TrainNetwork"/>
public INetwork TrainNetwork()
{
var network = (BasicNetwork)EncogDirectoryPersistence.LoadObject(TrainedNetworkFile);
var trainingSet = EncogUtility.LoadCSV2Memory(NormalizedTrainingFile.ToString(),
network.InputCount, network.OutputCount, true, CSVFormat.English, false);
var train = new ResilientPropagation(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
} while (train.Error > Rate || epoch < MaxEpochs);
Error = train.Error;
EncogDirectoryPersistence.SaveObject(TrainedNetworkFile, (BasicNetwork)network);
return(this);
}
public static int Evaluate(BasicNetwork network, IMLDataSet training)
{
ResilientPropagation rprop = new ResilientPropagation(network, training);
int iterations = 0;
for (; ;)
{
rprop.Iteration();
iterations++;
if (rprop.Error < TARGET_ERROR)
{
return(iterations);
}
if (iterations > 1000)
{
iterations = 0;
return(-1);
}
}
}
void Train()
{
if (Memory.Count > 0)
{
network.Reset();
double[][] InputData = new double[Memory.Count][]; //подготовка данных для обучения сети
double[][] SenseData = new double[Memory.Count][];
for (int i = 0; i < Memory.Count; i++)
{
InputData[i] = Memory[i];
SenseData[i] = MemorySense[i];
}
IMLDataSet trainingSet = new BasicMLDataSet(InputData, SenseData);
IMLTrain train = new ResilientPropagation(network, trainingSet);
int epoch = 1;
double old = 9999;
double d = 999;
do
{
train.Iteration();
//Console.SetCursorPosition(0, 0); //вывод информации о текущем состоянии обучения
//Console.Write(@"Epoch #" + epoch + @" Error:" + train.Error);
epoch++;
d = Math.Abs(old - train.Error);
old = train.Error;
} while (train.Error > 0.0001 && epoch < 3000 && d > 0.00001);
train.FinishTraining();
//double sumd=0.0; //подсчет суммарной ошибки после обучения
//foreach (IMLDataPair pair in trainingSet)
//{
// IMLData output = network.Compute(pair.Input);
// sumd = sumd + Math.Abs(pair.Ideal[0] - output[0]);
// sumd = sumd / trainingSet.InputSize;
//}
}
}
private static void XORTest()
{
double[][] XOR_Input =
{
new[] { 0.0, 0.0 },
new[] { 1.0, 0.0 },
new[] { 0.0, 1.0 },
new[] { 1.0, 1.0 }
};
double[][] XOR_Ideal =
{
new[] { 0.0 },
new[] { 1.0 },
new[] { 1.0 },
new[] { 0.0 }
};
var trainingSet = new BasicMLDataSet(XOR_Input, XOR_Ideal);
var network = CreateNetwork();
var train = new ResilientPropagation(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
Console.WriteLine($"Iteration No: {epoch}, Error: {train.Error}");
} while (train.Error > 0.001);
foreach (var item in trainingSet)
{
var output = network.Compute(item.Input);
Console.WriteLine($"Input : {item.Input[0]}, {item.Input[1]}, Ideal: {item.Ideal[0]}, Actual : {output[0]}");
}
}
private static void Main(string[] args)
{
// create a neural network, without using a factory
var network = new BasicNetwork();
network.AddLayer(new BasicLayer(null, true, 2));
network.AddLayer(new BasicLayer(new ActivationSigmoid(), true, 3));
network.AddLayer(new BasicLayer(new ActivationSigmoid(), false, 1));
network.Structure.FinalizeStructure();
network.Reset();
// create training data
IMLDataSet trainingSet = new BasicMLDataSet(XORInput, XORIdeal);
// train the neural network
IMLTrain train = new ResilientPropagation(network, trainingSet);
int epoch = 1;
do
{
train.Iteration();
Console.WriteLine(@"Epoch #" + epoch + @" Error:" + train.Error);
epoch++;
} while (train.Error > 0.01);
train.FinishTraining();
// test the neural network
Console.WriteLine(@"Neural Network Results:");
foreach (IMLDataPair pair in trainingSet)
{
IMLData output = network.Compute(pair.Input);
Console.WriteLine(pair.Input[0] + @"," + pair.Input[1]
+ @", actual=" + output[0] + @",ideal=" + pair.Ideal[0]);
}
EncogFramework.Instance.Shutdown();
}
/// <summary>
/// Trains the neural network with the passed in training set.
/// Receive a list of tuple, where each tuple represent
/// Tuple = (State, ExpectedValueForBuy, ExpectedValueForSell, ExpectedValueForWait)
/// </summary>
/// <param name="trainingSet">The training set.</param>
public void Train(IList <Tuple <State, double[]> > trainingSet)
{
var trainingData = new List <IMLDataPair>();
foreach (var sample in trainingSet)
{
var flattenState = sample.Item1.ToArray();
var actuals = new BasicMLData(flattenState);
var ideals = new BasicMLData(sample.Item2);
trainingData.Add(new BasicMLDataPair(actuals, ideals));
}
IMLDataSet dataSet = new BasicMLDataSet(trainingData);
//IMLTrain train = new Backpropagation(NeuralNetwork, dataSet, Parameters.LearningRate, Parameters.LearningMomemtum);
IMLTrain train = new ResilientPropagation(NeuralNetwork, dataSet);
int epoch = 1;
do
{
train.Iteration();
epoch++;
OnTrainingEpochComplete?.Invoke(this, new OnTrainingEpochCompleteArgs()
{
Epoch = epoch,
Error = train.Error
});
} while (train.Error > Parameters.TrainingError && epoch < Parameters.MaxIterationPerTrainging);
//foreach (var item in dataSet)
//{
// var output = NeuralNetwork.Compute(item.Input);
// Console.WriteLine("output: {0} - {1} - {2} | ideal: {3} - {4} - {5}", output[0], output[1], output[2], item.Ideal[0], item.Ideal[1], item.Ideal[2]);
//}
}
private static void Main(string[] args)
{
CSVReader reader = new CSVReader();
DataSet ds = reader.ReadCSVFile(FILENAME, true);
dt = ds.Tables["Table1"];
// create a neural network, without using a factory
var network = new BasicNetwork();
network.AddLayer(new BasicLayer(null, true, 17));
network.AddLayer(new BasicLayer(new ActivationSigmoid(), false, 2));
network.Structure.FinalizeStructure();
network.Reset();
Dictionarys dict = new Dictionarys();
// create training dat
IMLDataSet dataSet = dict.GetDataSet(dt);
// train the neural network
IMLTrain train = new ResilientPropagation(network, dataSet);
int epoch = 1;
do
{
train.Iteration();
Console.WriteLine(@"Epoch #" + epoch + @" Error:" + train.Error);
epoch++;
} while (train.Error > 0.01);
train.FinishTraining();
// test the neural network
Console.WriteLine(@"Neural Network Results:");
foreach (IMLDataPair pair in dataSet)
{
IMLData output = network.Compute(pair.Input);
Console.WriteLine(pair.Input[0] + @"," + pair.Input[1]
+ @", actual=" + output[0] + @",ideal=" + pair.Ideal[0]);
}
EncogFramework.Instance.Shutdown();
}
public void Run()
{
//Se crea la red neuronal con sus respectivas capas
var network = new BasicNetwork();
network.AddLayer(new BasicLayer(null, true, 2));
network.AddLayer(new BasicLayer(new ActivationSigmoid(), true, 6));
network.AddLayer(new BasicLayer(new ActivationSigmoid(), true, 2));
network.Structure.FinalizeStructure();
network.Reset();
//Crear el conjunto de entrenamiento
IMLDataSet conjuntoEntrenamiento = new BasicMLDataSet(entradas, salidas);
//Entrenar
IMLTrain train = new ResilientPropagation(network, conjuntoEntrenamiento);
int epoch = 1;
do
{
train.Iteration();
Console.WriteLine("Epoca #" + epoch + " Error:" + train.Error);
epoch++;
} while (train.Error > 0.001);
//Prueba de la red neuronal
Console.WriteLine("Resultados:");
foreach (IMLDataPair pair in conjuntoEntrenamiento)
{
IMLData output = network.Compute(pair.Input);
Console.WriteLine(pair.Input[0] + @"," + pair.Input[1]
+ @", actual=" + output[0] + "," + output[1] + @",ideal=" + pair.Ideal[0] + "," + pair.Ideal[1]);
}
IMLData dataprueba = new BasicMLData(new double[] { 2.4, 2.5 });
var prueba = network.Compute(dataprueba);
}
public NeuralNetworkModel(VersatileMLDataSet dataset)
{
dataset.NormHelper.NormStrategy = new BasicNormalizationStrategy(0, 1, 0, 1);
dataset.Normalize();
var inputs = dataset.NormHelper.InputColumns.Count;
var outputs = dataset.NormHelper.OutputColumns.Count;
var hiddens = (inputs + outputs) * 1.5;
var method = (BasicNetwork) new MLMethodFactory().Create(
MLMethodFactory.TypeFeedforward,
$"?:B->SIGMOID->{hiddens}:B->SIGMOID->?",
inputs,
outputs);
var folds = new FoldedDataSet(dataset);
folds.Fold(5);
var propTrainer = new ResilientPropagation(method, folds);
_kfoldTrainer = new CrossValidationKFold(propTrainer, 5);
}
/// <summary>
/// Evaluate how long it takes to calculate the error for the network. This
/// causes each of the training pairs to be run through the network. The
/// network is evaluated 10 times and the lowest time is reported.
/// </summary>
/// <param name="network">The training data to use.</param>
/// <param name="training">The number of seconds that it took.</param>
/// <returns></returns>
public static int EvaluateTrain(BasicNetwork network, IMLDataSet training)
{
// train the neural network
IMLTrain train = new ResilientPropagation(network, training);
int iterations = 0;
const int milis10 = Milis * 10;
var watch = new Stopwatch();
watch.Start();
while (true)
{
iterations++;
train.Iteration();
if ((iterations & 0xff) == 0 && watch.ElapsedMilliseconds < milis10)
{
break;
}
}
return(iterations);
}
public static void Run()
{
var network = (BasicNetwork)EncogDirectoryPersistence.LoadObject(Config.NetworkFile);
var trainingSet = EncogUtility.LoadEGB2Memory(Config.TrainingFile);
while (true)
{
Propagation train = new ResilientPropagation(
network,
trainingSet)
{
ThreadCount = 0,
FixFlatSpot = false
};
EncogUtility.TrainConsole(train, network, trainingSet, TimeSpan.FromMinutes(10).TotalSeconds);
Console.WriteLine("Finished. Saving network...");
EncogDirectoryPersistence.SaveObject(Config.NetworkFile, network);
Console.WriteLine(@"Network saved.");
}
}