/// <summary>
/// Splits the specified tree.
/// </summary>
/// <param name="tree">The tree.</param>
/// <param name="gardener">The gardener.</param>
/// <param name="testdata">The testdata.</param>
private void Split(DecisionTree.Implementation.Tree tree, IGardener gardener, ITreeExampleData testdata)
{
tree.Split();
if (this.PruneBox.IsChecked == true)
{
gardener.Prune(tree, testdata);
}
DecisionTreeWPFRenderer renderer = new DecisionTreeWPFRenderer(tree, this.TreeCanvas);
renderer.Visualize();
}
/// <summary>
/// Handles the Click event of the RecalculateRegressionTreeButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void RecalculateRegressionTreeButton_Click(object sender, RoutedEventArgs e)
{
try
{
ExampleFactory factory = new ExampleFactory(this.GetDimension());
this.tree = new MyRegressionTree(factory.GetCarExamples());
IGardener gardener = new ReducedErrorPruningForRegressionTrees((MyRegressionTree)tree, 7);
this.Split(tree, gardener, factory.GetCarTestSet());
}
catch (DecisionTree.Implementation.Exceptions.TreeException ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Handles the Click event of the ImportButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void ImportButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Multiselect = false;
openFileDialog.Filter = "dat files (*.dat)|*.dat";
DecisionTree.Implementation.Interfaces.ITreeSaver treeSaver = new BinaryTreeSaver();
if (openFileDialog.ShowDialog() == true)
{
try
{
this.tree = treeSaver.Import(openFileDialog.FileName);
DecisionTreeWPFRenderer renderer = new DecisionTreeWPFRenderer(tree, this.TreeCanvas);
renderer.Visualize();
}
catch (DecisionTree.Implementation.Exceptions.TreeException ex)
{
MessageBox.Show(ex.Message);
}
}
}
