wekaexamples使用实例

/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * ExperimentPanel.java * Copyright (C) 2007 University of Waikato, Hamilton, New Zealand * */ package wekaexamples.gui.explorer; import weka.classifiers.Classifier; import weka.core.Attribute; import weka.core.Capabilities; import weka.core.Instances; import weka.core.Range; import weka.core.Utils; import weka.core.converters.ArffLoader; import weka.core.converters.Loader; import weka.core.converters.XRFFLoader; import weka.core.converters.ConverterUtils.DataSink; import weka.experiment.ClassifierSplitEvaluator; import weka.experiment.CrossValidationResultProducer; import weka.experiment.Experiment; import weka.experiment.InstancesResultListener; import weka.experiment.PairedCorrectedTTester; import weka.experiment.PairedTTester; import weka.experiment.PropertyNode; import weka.experiment.RandomSplitResultProducer; import weka.experiment.RegressionSplitEvaluator; import weka.experiment.ResultMatrix; import weka.experiment.ResultMatrixPlainText; import weka.experiment.SplitEvaluator; import weka.gui.GenericObjectEditor; import weka.gui.Logger; import weka.gui.PropertyPanel; import weka.gui.ResultHistoryPanel; import weka.gui.SaveBuffer; import weka.gui.SysErrLog; import weka.gui.TaskLogger; import weka.gui.explorer.Explorer; import weka.gui.explorer.ExplorerDefaults; import weka.gui.explorer.Explorer.CapabilitiesFilterChangeEvent; import weka.gui.explorer.Explorer.CapabilitiesFilterChangeListener; import weka.gui.explorer.Explorer.ExplorerPanel; import weka.gui.explorer.Explorer.LogHandler; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Font; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.GridLayout; import java.awt.Insets; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.beans.IntrospectionException; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.beans.PropertyDescriptor; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.Reader; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Vector; import javax.swing.BorderFactory; import javax.swing.DefaultComboBoxModel; import javax.swing.DefaultListModel; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JLabel; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JSpinner; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.JViewport; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; /** * This panel allows the user to select and configure a classifier, set the * attribute of the current dataset to be used as the class, and perform an * Experiment (like in the Experimenter) with this Classifier/Dataset * combination. The results of the experiment runs are stored in a result * history so that previous results are accessible. <p/> * * Based on the ClassifierPanel code (by Len Trigg, Mark Hall and * Richard Kirkby). * * @author FracPete (fracpete at waikato dot ac dot nz) * @version $Revision$ */ public class ExperimentPanel extends JPanel implements CapabilitiesFilterChangeListener, ExplorerPanel, LogHandler { /** for serialization. */ private static final long serialVersionUID = 2078066653508312179L; /** the parent frame. */ protected Explorer m_Explorer = null; /** Lets the user configure the classifier. */ protected GenericObjectEditor m_ClassifierEditor = new GenericObjectEditor(); /** The panel showing the current classifier selection. */ protected PropertyPanel m_CEPanel = new PropertyPanel(m_ClassifierEditor); /** The output area for classification results. */ protected JTextArea m_OutText = new JTextArea(20, 40); /** The destination for log/status messages. */ protected Logger m_Log = new SysErrLog(); /** The buffer saving object for saving output. */ protected SaveBuffer m_SaveOut = new SaveBuffer(m_Log, this); /** A panel controlling results viewing. */ protected ResultHistoryPanel m_History = new ResultHistoryPanel(m_OutText); /** The spinner for the number of runs. */ protected JSpinner m_RunsSpinner = new JSpinner(); /** The type of evaluation: cross-validation or random split. */ protected JComboBox m_EvalCombo = new JComboBox(new String[]{"Cross-validation", "Random split"}); /** The label for either the number of folds or the percentage for the random split. */ protected JLabel m_FoldsPercLabel = new JLabel("Folds"); /** Either the number of folds or the percentage for the random split. */ protected JTextField m_FoldsPercText = new JTextField("10", 10); /** Lets the user select the class column. */ protected JComboBox m_ClassCombo = new JComboBox(); /** Click to start running the experiment. */ protected JButton m_StartBut = new JButton("Start"); /** Click to stop a running experiment. */ protected JButton m_StopBut = new JButton("Stop"); /** Stop the class combo from taking up to much space. */ private Dimension COMBO_SIZE = new Dimension(100, m_StartBut.getPreferredSize().height); /** The main set of instances we're playing with. */ protected Instances m_Instances; /** The loader used to load the user-supplied test set (if any). */ protected Loader m_TestLoader; /** A thread that classification runs in. */ protected Thread m_RunThread; // Register the property editors we need static { GenericObjectEditor.registerEditors(); } /** * Creates the Experiment panel. */ public ExperimentPanel() { m_OutText.setEditable(false); m_OutText.setFont(new Font("Monospaced", Font.PLAIN, 12)); m_OutText.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); m_OutText.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != InputEvent.BUTTON1_MASK) { m_OutText.selectAll(); } } }); m_History.setBorder(BorderFactory.createTitledBorder("Result list (right-click for options)")); m_ClassifierEditor.setClassType(Classifier.class); m_ClassifierEditor.setValue(ExplorerDefaults.getClassifier()); m_ClassifierEditor.addPropertyChangeListener(new PropertyChangeListener() { public void propertyChange(PropertyChangeEvent e) { repaint(); } }); m_RunsSpinner.setToolTipText("The number of runs to perform"); m_RunsSpinner.setEnabled(false); ((SpinnerNumberModel) m_RunsSpinner.getModel()).setMinimum(new Integer(1)); ((SpinnerNumberModel) m_RunsSpinner.getModel()).setValue(new Integer(10)); m_EvalCombo.setToolTipText("The type of evaluation to be performed"); m_EvalCombo.setEnabled(false); m_EvalCombo.setPreferredSize(COMBO_SIZE); m_EvalCombo.setMaximumSize(COMBO_SIZE); m_EvalCombo.setMinimumSize(COMBO_SIZE); m_EvalCombo.setSelectedIndex(0); m_EvalCombo.addActionListener(n