private void BtnLoadClick(object sender, EventArgs e)
{
if (!File.Exists(_tbPathToLotos.Text) || !File.Exists(_tbPathToPR.Text) || !File.Exists(_tbPathToOrlen.Text))
{
MessageBox.Show(Resources.InputMissing, Resources.FileMissing, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (_predictor == null || _predictor.Loaded == false)
{
this.Cursor = Cursors.WaitCursor;
_hiddenLayers = (int)_nudHiddenLayers.Value;
_hiddenUnits = (int)_nudHiddenUnits.Value;
try
{
_predictor = new PredictIndicators(_pathToOrlen, _pathToPrimeRates, _pathToLotos, _hiddenUnits, _hiddenLayers);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
_predictor = null;
return;
}
finally
{
this.Cursor = Cursors.Default;
}
}
using (OpenFileDialog ofd = new OpenFileDialog()
{
FileName = "predictor.ntwrk", Filter = Resources.NtwrkFilter
})
{
bool result = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
try
{
_predictor.LoadNeuralNetwork(Path.GetFullPath(ofd.FileName));
_nudHiddenLayers.Value = _predictor.HiddenLayers;
_nudHiddenUnits.Value = _predictor.HiddenUnits;
}
catch (System.Security.SecurityException)
{
MessageBox.Show(Resources.SecurityExceptionFolderLevel, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
result = false;
}
catch
{
MessageBox.Show(Resources.ExceptionMessage, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (result)
{
MessageBox.Show("The file with the trained data loaded successfully.");
}
}
}
private void NudHiddenLayersValueChanged(object sender, EventArgs e)
{
if (_predictor == null)
{
return;
}
if (MessageBox.Show(Resources.ChangedNetwork, Resources.Warning, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
{
_predictor = null;
}
}
private void BtnPredictClick(object sender, EventArgs e)
{
if (_dgvPredictionResults.Rows.Count != 0)
{
_dgvPredictionResults.Rows.Clear();
}
if (_predictor == null)
{
_reloadFiles = false;
if (!File.Exists(_tbPathToLotos.Text) || !File.Exists(_tbPathToPR.Text) || !File.Exists(_tbPathToOrlen.Text))
{
MessageBox.Show(Resources.InputMissing, Resources.FileMissing, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
switch (MessageBox.Show(Resources.UntrainedPredictorWarning, Resources.NoNetwork, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information))
{
case DialogResult.Yes:
break;
case DialogResult.No:
this.Cursor = Cursors.WaitCursor;
_hiddenLayers = (int)_nudHiddenLayers.Value;
_hiddenUnits = (int)_nudHiddenUnits.Value;
try
{
_predictor = new PredictIndicators(_pathToOrlen, _pathToPrimeRates, _pathToLotos, _hiddenUnits, _hiddenLayers);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
_predictor = null;
return;
}
finally
{
this.Cursor = Cursors.Default;
}
using (OpenFileDialog ofd = new OpenFileDialog()
{
FileName = "predictor.ntwrk", Filter = Resources.NtwrkFilter
})
{
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
_predictor.LoadNeuralNetwork(Path.GetFullPath(ofd.FileName));
}
catch
{
MessageBox.Show(Resources.ExceptionMessage, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
}
break;
case DialogResult.Cancel:
return;
}
}
DateTime predictFrom = _dtpPredictFrom.Value;
DateTime predictTo = _dtpPredictTo.Value;
if (predictFrom > predictTo)
{
MessageBox.Show(Resources.PredictFromToWarning, Resources.BadParameters, MessageBoxButtons.OK, MessageBoxIcon.Information);
_dtpPredictFrom.Focus();
return;
}
if (_predictor == null)
{
_pathToOrlen = _tbPathToOrlen.Text;
_pathToLotos = _tbPathToLotos.Text;
_pathToPrimeRates = _tbPathToPR.Text;
Cursor = Cursors.WaitCursor;
_hiddenLayers = (int)_nudHiddenLayers.Value;
_hiddenUnits = (int)_nudHiddenUnits.Value;
try
{
_predictor = new PredictIndicators(_pathToOrlen, _pathToPrimeRates, _pathToLotos, _hiddenUnits, _hiddenLayers);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
_predictor = null;
return;
}
finally
{
Cursor = Cursors.Default;
}
}
List <PredictionResults> results = null;
try
{
if (_reloadFiles)
{
_pathToOrlen = _tbPathToOrlen.Text;
_pathToLotos = _tbPathToLotos.Text;
_pathToPrimeRates = _tbPathToPR.Text;
_predictor.ReloadFiles(_pathToOrlen, _pathToPrimeRates, _pathToLotos);
}
results = _predictor.Predict(predictFrom, predictTo);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
foreach (var item in results)
{
_dgvPredictionResults.Rows.Add(item.Date.ToShortDateString(), item.ActualLotos,
item.PredictedLotos.ToString("F2", CultureInfo.InvariantCulture), item.ActualOrlen, item.PredictedOrlen.ToString("F2", CultureInfo.InvariantCulture),
item.ActualPir, item.PredictedPir.ToString("F2", CultureInfo.InvariantCulture), item.Error.ToString("F4", CultureInfo.InvariantCulture));
}
}
private void BtnStartTrainingClick(object sender, EventArgs e)
{
if (_dgvTrainingResults.Rows.Count != 0)
{
_dgvTrainingResults.Rows.Clear();
}
if (_predictor == null)
{
_reloadFiles = false;
if (!File.Exists(_tbPathToLotos.Text) || !File.Exists(_tbPathToPR.Text) || !File.Exists(_tbPathToOrlen.Text))
{
MessageBox.Show(Resources.InputMissing, Resources.FileMissing, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
}
DateTime trainFrom = _dtpTrainFrom.Value;
DateTime trainTo = _dtpTrainUntil.Value;
if (trainFrom > trainTo)
{
MessageBox.Show(Resources.TrainFromTrainTo, Resources.BadParameters, MessageBoxButtons.OK, MessageBoxIcon.Information);
_dtpTrainFrom.Focus();
return;
}
FadeControls(true);
if (_predictor == null)
{
_pathToOrlen = _tbPathToOrlen.Text;
_pathToLotos = _tbPathToLotos.Text;
_pathToPrimeRates = _tbPathToPR.Text;
Cursor = Cursors.WaitCursor;
_hiddenLayers = (int)_nudHiddenLayers.Value;
_hiddenUnits = (int)_nudHiddenUnits.Value;
try
{
_predictor = new PredictIndicators(_pathToOrlen, _pathToPrimeRates, _pathToLotos, _hiddenUnits, _hiddenLayers);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Resources.Exception, MessageBoxButtons.OK, MessageBoxIcon.Error);
_predictor = null;
return;
}
finally
{
Cursor = Cursors.Default;
}
}
else if (_reloadFiles)
{
_pathToOrlen = _tbPathToOrlen.Text;
_pathToLotos = _tbPathToLotos.Text;
_pathToPrimeRates = _tbPathToPR.Text;
_predictor.ReloadFiles(_pathToOrlen, _pathToPrimeRates, _pathToLotos);
_dtpTrainFrom.MinDate = _predictor.MinIndexDate;
_dtpTrainUntil.MaxDate = _predictor.MaxIndexDate;
}
if (trainFrom < _predictor.MinIndexDate)
{
_dtpTrainFrom.MinDate = _dtpTrainFrom.Value = trainFrom = _predictor.MinIndexDate;
}
if (trainTo > _predictor.MaxIndexDate)
{
_dtpTrainUntil.MaxDate = _dtpTrainUntil.Value = trainTo = _predictor.MaxIndexDate;
}
TrainingStatus callback = TrainingCallback;
_predictor.TrainNetworkAsync(trainFrom, trainTo, callback);
}