public override void Train(IForecastingDataSets datasets)
{
OnStartRunning(new ComponentRunEventArgs(datasets));
AnnModelParameter para = mParameter as AnnModelParameter;
LinearLayer inputLayer = new LinearLayer(datasets.InputData[0].Length);
SigmoidLayer hiddenLayer = new SigmoidLayer(para.HiddenNeuronsCount[0]);
SigmoidLayer outputLayer = new SigmoidLayer(1);
new BackpropagationConnector(inputLayer, hiddenLayer).Initializer = new RandomFunction(0d, 0.3d);
new BackpropagationConnector(hiddenLayer, outputLayer).Initializer = new RandomFunction(0d, 0.3d);
network = new BackpropagationNetwork(inputLayer, outputLayer);
network.SetLearningRate(para.LearningRate);
network.JitterEpoch = para.JitterEpoch;
network.JitterNoiseLimit = para.JitterNoiseLimit;
network.EndEpochEvent += new TrainingEpochEventHandler(
delegate(object senderNetwork, TrainingEpochEventArgs args)
{
// TODO: trainning error needs to be calculated
OnRunningEpoch(new AnnModelRunEpochEventArgs(args.TrainingIteration + 1, 0));
});
network.Learn(ForecastingDataSets.ConvertToTrainingSet(datasets), para.Iterations);
datasets.ForecastedData = new double[datasets.InputData.Length][];
for (int i = 0; i < datasets.InputData.Length; i++)
{
datasets.ForecastedData[i] = new double[1];
datasets.ForecastedData[i][0] = Forecast(datasets.InputData[i]);
}
OnFinishRunning(new ComponentRunEventArgs(datasets));
}
private void button37_Click(object sender, EventArgs e)
{
TrainingSet egitimseti = new TrainingSet(35, 5);
egitimseti.Add(new TrainingSample(VeriSeti.A, new double[5] {
1, 0, 0, 0, 0
}));
egitimseti.Add(new TrainingSample(VeriSeti.A1, new double[5] {
1, 0, 0, 0, 0
}));
egitimseti.Add(new TrainingSample(VeriSeti.B, new double[5] {
0, 1, 0, 0, 0
}));
egitimseti.Add(new TrainingSample(VeriSeti.C, new double[5] {
0, 0, 1, 0, 0
}));
egitimseti.Add(new TrainingSample(VeriSeti.D, new double[5] {
0, 0, 0, 1, 0
}));
egitimseti.Add(new TrainingSample(VeriSeti.E, new double[5] {
0, 0, 0, 0, 1
}));
ag.SetLearningRate(Convert.ToDouble(txt_ogrenmekatsayisi.Text));
ag.Learn(egitimseti, Convert.ToInt32(txt_ogrenmehizi.Text));
txt_ogrenmekatsayisi.Enabled = false;
txt_ogrenmehizi.Enabled = false;
lbl_hata.Text = ag.MeanSquaredError.ToString();
button37.Enabled = false;
MessageBox.Show("Yapay Sinir Ağı Eğitildi.", "Bilgi");
}
public void TestMethod1()
{
// 创建输入层、隐层和输出层
var inputLayer = new LinearLayer(1);
var hiddenLayer = new LinearLayer(5);
var outputLayer = new LinearLayer(1);
// 创建层之间的关联
new BackpropagationConnector(inputLayer, hiddenLayer, ConnectionMode.Complete);
new BackpropagationConnector(hiddenLayer, outputLayer, ConnectionMode.Complete);
// 创建神经网络
var network = new BackpropagationNetwork(inputLayer, outputLayer);
//network.SetLearningRate(new LinearFunction(0.1, 0.6));
network.Initialize();
// 训练
var ran = new Random();
for (var i = 0; i < 100; i++)
{
var inputVector = new double[] { i };
var outputVector = new double[] { Math.PI *i };
var trainingSample = new TrainingSample(inputVector, outputVector);
network.Learn(trainingSample, i, 100);
}
// 预测
var testInput = new double[] { 1 };
var testOutput = network.Run(testInput);
Console.WriteLine(testOutput[0]);
}
public void LabTest1()
{
var inputLayer = new LinearLayer(5);
var hiddenLayer = new TanhLayer(neuronCount);
var outputLayer = new TanhLayer(2);
new BackpropagationConnector(inputLayer, hiddenLayer);
new BackpropagationConnector(hiddenLayer, outputLayer);
_xorNetwork = new BackpropagationNetwork(inputLayer, outputLayer);
_xorNetwork.SetLearningRate(learningRate);
var trainingSet = new TrainingSet(5, 2);
trainingSet.Add(new TrainingSample(new double[] { 0, 0, 0, 0, 0 }, new double[] { 0, 0 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 0, 0, 1, 0 }, new double[] { 3, 3 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 0, 1, 0, 0 }, new double[] { 2, 2 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 0, 1, 1, 0 }, new double[] { 2, 3 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 1, 0, 0, 0 }, new double[] { 1, 1 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 1, 0, 1, 0 }, new double[] { 1, 3 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 1, 1, 0, 0 }, new double[] { 1, 2 }));
trainingSet.Add(new TrainingSample(new double[] { 0, 1, 1, 1, 0 }, new double[] { 1, 3 }));
trainingSet.Add(new TrainingSample(new double[] { 22, 1, 1, 1, 22 }, new double[] { 1, 3 }));
_errorList = new double[cycles];
//_xorNetwork.EndEpochEvent += EndEpochEvent;
_xorNetwork.Learn(trainingSet, cycles);
var result = _xorNetwork.Run(new double[] { 0, 0, 1, 1, 0 });
}
protected override void SolveInstance(IGH_DataAccess DA)
{
CrowNetBP net = new CrowNetBP();
if (!networkLoaded)
{
int cycles = 1000;
GH_Structure <GH_Number> tiv = new GH_Structure <GH_Number>();
GH_Structure <GH_Number> tov = new GH_Structure <GH_Number>();
DA.GetData(0, ref cycles);
DA.GetData(1, ref net);
DA.GetDataTree(2, out tiv);
DA.GetDataTree(3, out tov);
double[][] trainInVectors = Utils.GHTreeToMultidimensionalArray(tiv);
double[][] trainOutVectors = Utils.GHTreeToMultidimensionalArray(tov);
int trainVectorCount = trainInVectors.Length;
if (trainVectorCount != trainOutVectors.Length)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Please supply an equal amount of input and output training vectors!");
}
int trainInVectorDimension = trainInVectors[0].Length;
int trainOutVectorDimension = trainOutVectors[0].Length;
BackpropagationNetwork network = net.network(trainInVectorDimension, trainOutVectorDimension);
// set Trainingset
TrainingSet trainingSet = new TrainingSet(trainInVectorDimension, trainOutVectorDimension);
for (int i = 0; i < trainVectorCount; i++)
{
trainingSet.Add(new TrainingSample(trainInVectors[i], trainOutVectors[i]));
}
// train
network.Learn(trainingSet, cycles);
this.Network = network;
}
if (this.Network != null)
{
DA.SetData(0, this.Network.MeanSquaredError.ToString("0.0000000000"));
CrowNetBPP nn = new CrowNetBPP(this.Network);
nn.hiddenLayerList = net.hiddenLayerList;
nn.layerStructure = net.layerStructure;
nn.neuronCount = net.neuronCount;
DA.SetData(1, nn);
}
networkLoaded = false;
}
public void Train(int cpi, int cs = 5, int seed = -1)
{
if (seed == -1)
{
seed = Environment.TickCount;
}
Random r = new Random(seed);
int ai = 0;
TrainingSet ts = new TrainingSet(Inputs, W * H * 3);
foreach (var i in InImgs)
{
double[] iv = new double[Inputs];
double[] ov = new double[W * H * 3];
int ic = 0;
for (int y = 0; y < i.H; y++)
{
for (int x = 0; x < i.W; x++)
{
iv[ic] = GV(i.Dat[ic++]);
iv[ic] = GV(i.Dat[ic++]);
iv[ic] = GV(i.Dat[ic++]);
}
}
Image oi = OutImgs[ai];
int vv = 0;
for (int y = 0; y < i.H; y++)
{
for (int x = 0; x < i.W; x++)
{
//int l = (i.H * y * 3) + (x * 3);
ov[vv] = GV(i.Dat[vv++]);
ov[vv] = GV(i.Dat[vv++]);
ov[vv] = GV(i.Dat[vv++]);
}
}
ai++;
TrainingSample s = new TrainingSample(iv, ov);
for (int xc = 0; xc < cpi; xc++)
{
ts.Add(s);
}
}
Ready = false;
//for(int t = 0; t < cs; t++)
//{
// net.BeginEpochEvent += TrainE;
net.EndEpochEvent += EndE;
net.Learn(ts, cs);
net.StopLearning();
Console.WriteLine("Done training mind.");
}
/// <summary>
/// 点击计算按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tsmiCalculate_Click(object sender, EventArgs e)
{
// 创建输入层、隐层和输出层
ActivationLayer inputLayer = GetLayer(cboInputLayerType.SelectedItem.ToString(), 2);
ActivationLayer hiddenLayer = GetLayer(cboHiddenLayerType.SelectedItem.ToString(), int.Parse(txtHiddenLayerCount.Text));
ActivationLayer outputLayer = GetLayer(cboOutputLayerType.SelectedItem.ToString(), 1);
// 创建层之间的关联
new BackpropagationConnector(inputLayer, hiddenLayer, ConnectionMode.Complete).Initializer = new RandomFunction(0, 0.3);
new BackpropagationConnector(hiddenLayer, outputLayer, ConnectionMode.Complete).Initializer = new RandomFunction(0, 0.3);
// 创建神经网络
var network = new BackpropagationNetwork(inputLayer, outputLayer);
network.SetLearningRate(double.Parse(txtInitialLearningRate.Text), double.Parse(txtFinalLearningRate.Text));
// 进行训练
var trainingSet = new TrainingSet(2, 1);
for (var i = 0; i < 17; i++)
{
var x1 = data[i, 0];
var x2 = data[i, 1];
var y = data[i, 2];
var inputVector = new double[] { x1, x2 };
var outputVector = new double[] { y };
var trainingSample = new TrainingSample(inputVector, outputVector);
trainingSet.Add(trainingSample);
}
network.SetLearningRate(0.3, 0.1);
network.Learn(trainingSet, int.Parse(txtTrainingEpochs.Text));
network.StopLearning();
// 进行预测
for (var i = 0; i < 17; i++)
{
var x1 = data[i, 0];
var x2 = data[i, 1];
var y = data[i, 2];
var testInput = new double[] { x1, x2 };
var testOutput = network.Run(testInput)[0];
var absolute = testOutput - y;
var relative = Math.Abs((testOutput - y) / testOutput);
dgvData.Rows[i].Cells[3].Value = testOutput.ToString("f3");
dgvData.Rows[i].Cells[4].Value = absolute.ToString("f3");
dgvData.Rows[i].Cells[5].Value = (relative * 100).ToString("f1") + "%";
}
}
async Task LearnNetworkAsync()
{
_network = new BackpropagationNetwork(_inputLayer, _outputLayer);
_network.Initialize();
var trainingSet = new TrainingSet(1, 3);
foreach (var b in from bomb in Enum.GetValues(typeof(BombTypes)).Cast <BombTypes>() where bomb != BombTypes.Mine select BombFabric.CreateBomb(bomb) into b where b != null select b)
{
trainingSet.Add(new TrainingSample(new double[] { b.BeepsLevel },
new double[] {
(int)b.FirstStageDisarming,
(int)b.SecondStageDisarming,
(int)b.ThirdStageDisarming
}));
}
_network.Learn(trainingSet, 100000);
}
void CreateTrainingSet()
{
if (trainingSetInputs == null || trainingSetInputs.Count == 0)
{
Debug.Log("You need to add training cases first!");
return;
}
trainingSet = new TrainingSet(neurons, outputNum);
List <double[]> tempInputs = trainingSetInputs;
List <double> tempOutput = trainingSetOutputs;
for (int i = 0; i < tempInputs.Count; i++)
{
if (tempOutput[i] == 0)
{
trainingSet.Add(new TrainingSample(tempInputs[i], new double[outputNum] {
1, -1, -1, -1
}));
}
else if (tempOutput[i] == 1)
{
trainingSet.Add(new TrainingSample(tempInputs[i], new double[outputNum] {
-1, 1, -1, -1
}));
}
else if (tempOutput[i] == 2)
{
trainingSet.Add(new TrainingSample(tempInputs[i], new double[outputNum] {
-1, -1, 1, -1
}));
}
else if (tempOutput[i] == 3)
{
trainingSet.Add(new TrainingSample(tempInputs[i], new double[outputNum] {
-1, -1, -1, 1
}));
}
}
neuralNetwork.Learn(this.trainingSet, epochs);
}
public void button4_Click(object sender, EventArgs e)
{
var openWin = new OpenFileDialog();
openWin.DefaultExt = "txt";
openWin.ShowDialog();
string path = openWin.FileName;
int nInput = Convert.ToInt32(textBox3.Text);
int nOut = Convert.ToInt32(textBox5.Text);
TrainingSet train = new TrainingSet(nInput, nOut);
string[] lines = System.IO.File.ReadAllLines(path);
string[] trainData = new string[nInput + nOut];
double[] trainInput = new double[nInput];
double[] trainOut = new double[nOut];
foreach (string line in lines)
{
trainData = line.Split(' ');
for (int i = 0; i < nInput; i++)
{
trainInput[i] = Convert.ToDouble(trainData[i]);
}
for (int i = nInput; i < nOut; i++)
{
trainOut[i - nInput] = Convert.ToDouble(trainData[i]);
}
train.Add(new TrainingSample(trainInput, trainOut));
}
network.Learn(train, Convert.ToInt32(textBox6.Text));
MessageBox.Show("Training OK");
}
// train butonu
private void btnTrain_Click(object sender, EventArgs e)
{
TrainingSet trainingSet = new TrainingSet(35, 5);
trainingSet.Add(new TrainingSample(Dataset.Letters.A, new double[5] {
1, 0, 0, 0, 0
}));
trainingSet.Add(new TrainingSample(Dataset.Letters.B, new double[5] {
0, 1, 0, 0, 0
}));
trainingSet.Add(new TrainingSample(Dataset.Letters.C, new double[5] {
0, 0, 1, 0, 0
}));
trainingSet.Add(new TrainingSample(Dataset.Letters.D, new double[5] {
0, 0, 0, 1, 0
}));
trainingSet.Add(new TrainingSample(Dataset.Letters.E, new double[5] {
0, 0, 0, 0, 1
}));
neuralNetwork.SetLearningRate(Convert.ToDouble(0.3));
neuralNetwork.Learn(trainingSet, Convert.ToInt32(5000));
btnTrain.Enabled = false;
btnGetResults.Enabled = true;
}
private void Start(object sender, EventArgs e)
{
CleanseGraph();
EnableControls(false);
curve.Color = enabledColor;
if (!int.TryParse(txtCycles.Text, out cycles))
{
cycles = 10000;
}
if (!double.TryParse(txtLearningRate.Text, out learningRate))
{
learningRate = 0.25d;
}
if (!int.TryParse(txtNeuronCount.Text, out neuronCount))
{
neuronCount = 10;
}
if (cycles <= 0)
{
cycles = 10000;
}
if (learningRate < 0 || learningRate > 1)
{
learningRate = 0.25d;
}
if (neuronCount <= 0)
{
neuronCount = 10;
}
txtCycles.Text = cycles.ToString();
txtLearningRate.Text = learningRate.ToString();
txtNeuronCount.Text = neuronCount.ToString();
LinearLayer inputLayer = new LinearLayer(1);
SigmoidLayer hiddenLayer = new SigmoidLayer(neuronCount);
SigmoidLayer outputLayer = new SigmoidLayer(1);
new BackpropagationConnector(inputLayer, hiddenLayer).Initializer = new RandomFunction(0d, 0.3d);
new BackpropagationConnector(hiddenLayer, outputLayer).Initializer = new RandomFunction(0d, 0.3d);
network = new BackpropagationNetwork(inputLayer, outputLayer);
network.SetLearningRate(learningRate);
TrainingSet trainingSet = new TrainingSet(1, 1);
for (int i = 0; i < curve.Points.Count; i++)
{
double xVal = curve.Points[i].X;
for (double input = xVal - 0.05; input < xVal + 0.06; input += 0.01)
{
trainingSet.Add(new TrainingSample(new double[] { input }, new double[] { curve.Points[i].Y }));
}
}
network.EndEpochEvent += new TrainingEpochEventHandler(
delegate(object senderNetwork, TrainingEpochEventArgs args)
{
trainingProgressBar.Value = (int)(args.TrainingIteration * 100d / cycles);
Application.DoEvents();
});
network.Learn(trainingSet, cycles);
StopLearning(this, EventArgs.Empty);
}
/// <summary>
/// This constructs a training procedure for standard backpropagation techniques.
/// More advanced ones will be used as seen in the example.
/// </summary>
/// <param name="writer"></param>
public TestingNdn(StreamWriter writer)
{
TrainingSample sample = new TrainingSample(
new double[] { },
new double[] { });
//We might make a gui for this later.
int numberOfNeurons = 3;
double learningRate = 0.5;
int numberOfCycles = 10000;
double[] errorList = new double[numberOfCycles];
LinearLayer inputLayer = new LinearLayer(2);
SigmoidLayer hiddenLayer = new SigmoidLayer(numberOfNeurons);
SigmoidLayer outputLayer = new SigmoidLayer(1);
// This layer is a event handler that fires when the output is generated, hence backpropagation.
BackpropagationConnector conn1 = new BackpropagationConnector(inputLayer, hiddenLayer);
BackpropagationConnector conn2 = new BackpropagationConnector(hiddenLayer, outputLayer);
BackpropagationNetwork network = new BackpropagationNetwork(inputLayer, outputLayer);
network.SetLearningRate(learningRate);
TrainingSet trainingSet = new TrainingSet(2, 1);
trainingSet.Add(new TrainingSample(new double[2] {
0, 0
}, new double[1] {
0
}));
trainingSet.Add(new TrainingSample(new double[2] {
0, 1
}, new double[1] {
1
}));
trainingSet.Add(new TrainingSample(new double[2] {
1, 0
}, new double[1] {
1
}));
trainingSet.Add(new TrainingSample(new double[2] {
1, 1
}, new double[1] {
0
}));
double max = 0;
// create an anonymous function to capture the error value of each iteration, and report back the percent of completion.
network.EndEpochEvent +=
delegate(object networkInput, TrainingEpochEventArgs args)
{
errorList[args.TrainingIteration] = network.MeanSquaredError;
max = Math.Max(max, network.MeanSquaredError);
PercentComplete = args.TrainingIteration * 100 / numberOfCycles;
};
network.Learn(trainingSet, numberOfCycles);
double[] indices = new double[numberOfCycles];
// for (int i = 0; i < numberOfCycles; i++) { indices[i] = i; } .. oh nvm, its for graphing the learning curve
// what to do for error list?
// errorList => for plotting stuff.
for (int i = 0; i < numberOfCycles; i++)
{
//Console.WriteLine(errorList[i]);
}
double[] outputResult = network.OutputLayer.GetOutput();
Console.WriteLine("final output");
double[] r1 = new double[] { 0, 0 };
double[] r2 = new double[] { 0, 1 };
double[] r3 = new double[] { 1, 0 };
double[] r4 = new double[] { 1, 1 };
Console.WriteLine(" 0 0 => " + network.Run(r1)[0]);
Console.WriteLine(" 0 1 => " + network.Run(r2)[0]);
Console.WriteLine(" 1 0 => " + network.Run(r3)[0]);
Console.WriteLine(" 1 1 => " + network.Run(r4)[0]);
}
private void Train(object sender, EventArgs e)
{
// btnTrain.Enabled = false;
int cycles = 200;
// if (!int.TryParse(txtCycles.Text, out cycles)) { cycles = 200; }
// txtCycles.Text = cycles.ToString();
int currentCombination = 0;
//int totalCombinations = Alphabet.LetterCount * (Alphabet.LetterCount - 1) / 2;
for (int i = 0; i < Alphabet.LetterCount; i++)
{
for (int j = i + 1; j < Alphabet.LetterCount; j++)
{
ActivationLayer inputLayer = new LinearLayer(400);
ActivationLayer hiddenLayer = new SigmoidLayer(4);
ActivationLayer outputLayer = new SigmoidLayer(2);
new BackpropagationConnector(inputLayer, hiddenLayer);
new BackpropagationConnector(hiddenLayer, outputLayer);
BackpropagationNetwork network = new BackpropagationNetwork(inputLayer, outputLayer);
TrainingSet trainingSet = new TrainingSet(400, 2);
Alphabet ithLetter = Alphabet.GetLetter(i);
Alphabet jthLetter = Alphabet.GetLetter(j);
foreach (Letter instance in ithLetter.Instances)
{
trainingSet.Add(new TrainingSample(instance.GetEquivalentVector(20, 20), new double[] { 1d, 0d }));
}
foreach (Letter instance in jthLetter.Instances)
{
trainingSet.Add(new TrainingSample(instance.GetEquivalentVector(20, 20), new double[] { 0d, 1d }));
}
//progressTraining.Value = 100 * currentCombination / totalCombinations;
Application.DoEvents();
bool correct = false;
int currentCycles = 35;
int count = trainingSet.TrainingSampleCount;
while (correct == false & currentCycles <= cycles)
{
network.Initialize();
network.Learn(trainingSet, currentCycles);
correct = true;
for (int sampleIndex = 0; sampleIndex < count; sampleIndex++)
{
double[] op = network.Run(trainingSet[sampleIndex].InputVector);
if (((trainingSet[sampleIndex].OutputVector[0] > trainingSet[sampleIndex].OutputVector[1]) && op[0] - op[1] < 0.4) || ((trainingSet[sampleIndex].OutputVector[0] < trainingSet[sampleIndex].OutputVector[1]) && op[1] - op[0] < 0.4))
{
correct = false;
trainingSet.Add(trainingSet[sampleIndex]);
}
}
currentCycles *= 2;
}
//lstLog.Items.Add(cboAplhabet.Items[i] + " & " + cboAplhabet.Items[j] + " = " + network.MeanSquaredError.ToString("0.0000"));
// lstLog.TopIndex = lstLog.Items.Count - (int)(lstLog.Height / lstLog.ItemHeight);
try
{
using (Stream stream = File.Open(Application.StartupPath + @"\Networks\" + i.ToString("00") + j.ToString("00") + ".ndn", FileMode.Create))
{
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, network);
}
}
catch (Exception)
{
MessageBox.Show("Failed to save trained neural networks", "Critical Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
currentCombination++;
}
}
// progressTraining.Value = 0;
// btnTrain.Enabled = false;
}
public void startTraining(string filepath)
{
initTrening();
try
{ // Open the text file using a stream reader.
using (StreamReader sr = new StreamReader(filepath))
{
int iter = 0;
int index = 0;
// Read the stream to a string, and write the string to the console.
String line = sr.ReadLine(); // pomijamy pierwsza linijke, bo jest tam naglowek
String[] tmp; // zmienna do ktorej beda separowane linijki
String[] lineMem;
for (int i = 0; i < daysToRead - 1; i++) // dwa osatatnie
{
line = sr.ReadLine();
tmp = line.Split(',');
SampleInput.SetValue(Convert.ToDouble(tmp[2], System.Globalization.CultureInfo.InvariantCulture), index++); // kurs otwarcia
SampleInput.SetValue(Convert.ToDouble(tmp[3], System.Globalization.CultureInfo.InvariantCulture), index++); // max
SampleInput.SetValue(Convert.ToDouble(tmp[4], System.Globalization.CultureInfo.InvariantCulture), index++); // min
SampleInput.SetValue(Convert.ToDouble(tmp[5], System.Globalization.CultureInfo.InvariantCulture), index++); // kurs zamkniecia
SampleInput.SetValue(Convert.ToDouble(tmp[6], System.Globalization.CultureInfo.InvariantCulture), index++); // vol
}
while (!sr.EndOfStream && iter < trainingIterator)
{
// musimy wczytac dane z dnia pierwszego, drugiego i trzeciego. przy czym dane z trzeciego dnia beda w nastepnej iteracji danymi z dnia pierwszego
line = sr.ReadLine();
lineMem = line.Split(',');
SampleInput.SetValue(Convert.ToDouble(lineMem[2], System.Globalization.CultureInfo.InvariantCulture), index); // kurs otwarcia ostatniego dnia
SampleInput.SetValue(Convert.ToDouble(lineMem[5], System.Globalization.CultureInfo.InvariantCulture), index + 1); // kurs zamkniecia ostatniego dnia jako wartosc oczekiwana na wyjsciu
ValuesList.Add(SampleInput);
SampleInput = RollValInTable(SampleInput, lineMem); // przesuwamy wartosci w tabeli aby dane z dnia drugiego byly teraz danymi dla dnia 1szego. itp
//SampleOutput[0] = Double.Parse(tmp[5], System.Globalization.CultureInfo.InvariantCulture) / 100;
// parsujemy dane wczytane z pliku do tablic wejsc / wyjsc
//tmp = line1st.Split(',');
//SampleInput[0] = Convert.ToDouble(tmp[2], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[1] = Double.Parse(tmp[3], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[2] = Double.Parse(tmp[4], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[3] = Double.Parse(tmp[5], System.Globalization.CultureInfo.InvariantCulture) / 100;
//tmp = line2nd.Split(',');
//SampleInput[4] = Double.Parse(tmp[2], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[5] = Double.Parse(tmp[3], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[6] = Double.Parse(tmp[4], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleInput[7] = Double.Parse(tmp[5], System.Globalization.CultureInfo.InvariantCulture) / 100;
//tmp = line3rd.Split(',');
//SampleInput[8] = Double.Parse(tmp[2], System.Globalization.CultureInfo.InvariantCulture) / 100;
//SampleOutput[0] = Double.Parse(tmp[5], System.Globalization.CultureInfo.InvariantCulture) / 100;
// koniec parsowania
//trainingSet.Add(new TrainingSample(SampleInput, SampleOutput));
iter++;
}
setData2Training();
network.Learn(trainingSet, cycles);
//Console.WriteLine(line);
}
}
catch (Exception e)
{
Console.WriteLine("The file could not be read:");
Console.WriteLine(e.Message);
}
}
/// <summary>
/// Created this to test the custom neuron network with binary inputs.
/// </summary>
/// <param name="writer"></param>
public static void Test(
string file,
int numberOfInputNeurons,
int numberOfHiddenNeurons,
int numberOfOutputNeurons,
int numberOfCycles = 50000,
double learningRate = 0.25)
{
TrainingSample sample = new TrainingSample(
new double[] { },
new double[] { });
//We might make a gui for this later.
double[] errorList = new double[numberOfCycles];
int totalNumberOfNeurons = numberOfInputNeurons + numberOfOutputNeurons;
LinearLayer inputLayer = new LinearLayer(numberOfInputNeurons);
SigmoidLayer hiddenLayer = new SigmoidLayer(numberOfHiddenNeurons);
SigmoidLayer outputLayer = new SigmoidLayer(numberOfOutputNeurons);
// This layer is a event handler that fires when the output is generated, hence backpropagation.
BackpropagationConnector conn1 = new BackpropagationConnector(inputLayer, hiddenLayer);
BackpropagationConnector conn2 = new BackpropagationConnector(hiddenLayer, outputLayer);
BackpropagationNetwork network = new BackpropagationNetwork(inputLayer, outputLayer);
network.SetLearningRate(learningRate);
TrainingSet trainingSet = new TrainingSet(10, 8);
// A file stream reader.
var inDefaule = Console.In;
using (StreamReader reader = new StreamReader(file))
{
Console.SetIn(reader);
String line = "";
//trainingSet.Add(new TrainingSample(new double[] { 0, 0, 0, 0, 1 }, new double[1] { 1 }));
while ((line = reader.ReadLine()) != null)
{
String[] array = line.Split(',');
double[] inputArray = new double[10];
double[] outputArray = new double[8];
for (int i = 0; i < 10; i++)
{
inputArray[i] = Convert.ToDouble(array[i]);
}
for (int i = 0; i < 8; i++)
{
outputArray[i] = Convert.ToDouble(array[i + 11]);
}
trainingSet.Add(new TrainingSample(inputArray, outputArray));
}
}
double max = 0;
// create an anonymous function to capture the error value of each iteration, and report back the percent of completion.
network.EndEpochEvent +=
delegate(object networkInput, TrainingEpochEventArgs args)
{
errorList[args.TrainingIteration] = network.MeanSquaredError;
max = Math.Max(max, network.MeanSquaredError);
// PercentComplete = args.TrainingIteration * 100 / numberOfCycles;
};
network.Learn(trainingSet, numberOfCycles);
double[] indices = new double[numberOfCycles];
// for (int i = 0; i < numberOfCycles; i++) { indices[i] = i; } .. oh nvm, its for graphing the learning curve
// what to do for error list?
// errorList => for plotting stuff.
// for (int i = 0; i < numberOfCycles; i++)
// {
//Console.WriteLine(errorList[i]);
// }
// print out the error list for scientific evaluation.
StreamUtilities.DumpData("dumpErrorValues.txt", errorList);
double[] outputResult = network.OutputLayer.GetOutput();
outputResult = network.Run(new double[] { 0.47, 0.41, 0.12, 0.05, 0.1, 0.5, 0.1, 0.1, 0.05, 0.1 });
foreach (var d in outputResult)
{
Console.WriteLine("output: " + d);
}
// Console.WriteLine("final output");
}
