Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
AttributeSummaryPanel.java
Package: Weka-3-2.rar [view]
Upload User: rhdiban
Upload Date: 2013-08-09
Package Size: 15085k
Code Size: 12k
Category:
Windows Develop
Development Platform:
Java
- /*
- * 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.
- */
- /*
- * AttributeSummaryPanel.java
- * Copyright (C) 1999 Len Trigg
- *
- */
- package weka.gui;
- import weka.core.Attribute;
- import weka.core.Instances;
- import weka.core.AttributeStats;
- import java.awt.BorderLayout;
- import java.awt.GridBagLayout;
- import java.awt.GridBagConstraints;
- import java.awt.event.ActionListener;
- import java.awt.event.ActionEvent;
- import java.awt.event.WindowAdapter;
- import java.awt.event.WindowEvent;
- import javax.swing.JPanel;
- import javax.swing.JLabel;
- import javax.swing.JFrame;
- import javax.swing.JButton;
- import javax.swing.BorderFactory;
- import javax.swing.filechooser.FileFilter;
- import javax.swing.JFileChooser;
- import javax.swing.JOptionPane;
- import javax.swing.SwingConstants;
- import javax.swing.SwingUtilities;
- import javax.swing.JScrollPane;
- import javax.swing.JTable;
- import javax.swing.table.DefaultTableModel;
- /**
- * This panel displays summary statistics about an attribute: name, type
- * number/% of missing/unique values, number of distinct values. For
- * numeric attributes gives some other stats (mean/std dev), for nominal
- * attributes gives counts for each attribute value.
- *
- * @author Len Trigg (trigg@cs.waikato.ac.nz)
- * @version $Revision: 1.5 $
- */
- public class AttributeSummaryPanel extends JPanel {
- /** Message shown when no instances have been loaded and no attribute set */
- protected final static String NO_SOURCE = "None";
- /** Displays the name of the relation */
- protected JLabel m_AttributeNameLab = new JLabel(NO_SOURCE);
- /** Displays the type of attribute */
- protected JLabel m_AttributeTypeLab = new JLabel(NO_SOURCE);
- /** Displays the number of missing values */
- protected JLabel m_MissingLab = new JLabel(NO_SOURCE);
- /** Displays the number of unique values */
- protected JLabel m_UniqueLab = new JLabel(NO_SOURCE);
- /** Displays the number of distinct values */
- protected JLabel m_DistinctLab = new JLabel(NO_SOURCE);
- /** Displays other stats in a table */
- protected JTable m_StatsTable = new JTable();
- /** The instances we're playing with */
- protected Instances m_Instances;
- /** Cached stats on the attributes we've summarized so far */
- protected AttributeStats [] m_AttributeStats;
- /**
- * Creates the instances panel with no initial instances.
- */
- public AttributeSummaryPanel() {
- JPanel simple = new JPanel();
- GridBagLayout gbL = new GridBagLayout();
- simple.setLayout(gbL);
- JLabel lab = new JLabel("Name:", SwingConstants.RIGHT);
- lab.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 0));
- GridBagConstraints gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.EAST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 0; gbC.gridx = 0;
- gbL.setConstraints(lab, gbC);
- simple.add(lab);
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.WEST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 0; gbC.gridx = 1;
- gbC.weightx = 100; gbC.gridwidth = 3;
- gbL.setConstraints(m_AttributeNameLab, gbC);
- simple.add(m_AttributeNameLab);
- m_AttributeNameLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 10));
- lab = new JLabel("Type:", SwingConstants.RIGHT);
- lab.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 0));
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.EAST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 0; gbC.gridx = 4;
- gbL.setConstraints(lab, gbC);
- simple.add(lab);
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.WEST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 0; gbC.gridx = 5;
- gbC.weightx = 100;
- gbL.setConstraints(m_AttributeTypeLab, gbC);
- simple.add(m_AttributeTypeLab);
- m_AttributeTypeLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 10));
- // Put into a separate panel?
- lab = new JLabel("Missing:", SwingConstants.RIGHT);
- lab.setBorder(BorderFactory.createEmptyBorder(0, 10, 5, 0));
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.EAST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 0;
- gbL.setConstraints(lab, gbC);
- simple.add(lab);
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.WEST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 1;
- gbC.weightx = 100;
- gbL.setConstraints(m_MissingLab, gbC);
- simple.add(m_MissingLab);
- m_MissingLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 10));
- lab = new JLabel("Distinct:", SwingConstants.RIGHT);
- lab.setBorder(BorderFactory.createEmptyBorder(0, 10, 5, 0));
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.EAST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 2;
- gbL.setConstraints(lab, gbC);
- simple.add(lab);
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.WEST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 3;
- gbC.weightx = 100;
- gbL.setConstraints(m_DistinctLab, gbC);
- simple.add(m_DistinctLab);
- m_DistinctLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 10));
- lab = new JLabel("Unique:", SwingConstants.RIGHT);
- lab.setBorder(BorderFactory.createEmptyBorder(0, 10, 5, 0));
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.EAST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 4;
- gbL.setConstraints(lab, gbC);
- simple.add(lab);
- gbC = new GridBagConstraints();
- gbC.anchor = GridBagConstraints.WEST;
- gbC.fill = GridBagConstraints.HORIZONTAL;
- gbC.gridy = 1; gbC.gridx = 5;
- gbC.weightx = 100;
- gbL.setConstraints(m_UniqueLab, gbC);
- simple.add(m_UniqueLab);
- m_UniqueLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 10));
- setLayout(new BorderLayout());
- add(simple, BorderLayout.NORTH);
- add(new JScrollPane(m_StatsTable), BorderLayout.CENTER);
- }
- /**
- * Tells the panel to use a new set of instances.
- *
- * @param inst a set of Instances
- */
- public void setInstances(Instances inst) {
- m_Instances = inst;
- m_AttributeStats = new AttributeStats [inst.numAttributes()];
- m_AttributeNameLab.setText(NO_SOURCE);
- m_AttributeTypeLab.setText(NO_SOURCE);
- m_MissingLab.setText(NO_SOURCE);
- m_UniqueLab.setText(NO_SOURCE);
- m_DistinctLab.setText(NO_SOURCE);
- m_StatsTable.setModel(new DefaultTableModel());
- }
- /**
- * Sets the attribute that statistics will be displayed for.
- *
- * @param index the index of the attribute to display
- */
- public void setAttribute(final int index) {
- setHeader(index);
- if (m_AttributeStats[index] == null) {
- Thread t = new Thread() {
- public void run() {
- m_AttributeStats[index] = m_Instances
- .attributeStats(index);
- SwingUtilities.invokeLater(new Runnable() {
- public void run() {
- setDerived(index);
- m_StatsTable.sizeColumnsToFit(-1);
- m_StatsTable.revalidate();
- m_StatsTable.repaint();
- }
- });
- }
- };
- t.setPriority(Thread.MIN_PRIORITY);
- t.start();
- } else {
- setDerived(index);
- }
- }
- /**
- * Sets the gui elements for fields that are stored in the AttributeStats
- * structure.
- */
- protected void setDerived(int index) {
- AttributeStats as = m_AttributeStats[index];
- long percent = Math.round(100.0 * as.missingCount / as.totalCount);
- m_MissingLab.setText("" + as.missingCount + " (" + percent + "%)");
- percent = Math.round(100.0 * as.uniqueCount / as.totalCount);
- m_UniqueLab.setText("" + as.uniqueCount + " (" + percent + "%)");
- m_DistinctLab.setText("" + as.distinctCount);
- setTable(as, index);
- }
- /**
- * Creates a tablemodel for the attribute being displayed
- */
- protected void setTable(AttributeStats as, int index) {
- if (as.nominalCounts != null) {
- Attribute att = m_Instances.attribute(index);
- Object [] colNames = {"Label", "Count"};
- Object [][] data = new Object [as.nominalCounts.length][2];
- for (int i = 0; i < as.nominalCounts.length; i++) {
- data[i][0] = att.value(i);
- data[i][1] = new Integer(as.nominalCounts[i]);
- }
- m_StatsTable.setModel(new DefaultTableModel(data, colNames));
- } else if (as.numericStats != null) {
- Object [] colNames = {"Statistic", "Value"};
- Object [][] data = new Object [4][2];
- data[0][0] = "Minimum"; data[0][1] = new Double(as.numericStats.min);
- data[1][0] = "Maximum"; data[1][1] = new Double(as.numericStats.max);
- data[2][0] = "Mean"; data[2][1] = new Double(as.numericStats.mean);
- data[3][0] = "StdDev"; data[3][1] = new Double(as.numericStats.stdDev);
- m_StatsTable.setModel(new DefaultTableModel(data, colNames));
- } else {
- m_StatsTable.setModel(new DefaultTableModel());
- }
- }
- /**
- * Sets the labels for fields we can determine just from the instance
- * header.
- */
- protected void setHeader(int index) {
- Attribute att = m_Instances.attribute(index);
- m_AttributeNameLab.setText(att.name());
- switch (att.type()) {
- case Attribute.NOMINAL:
- m_AttributeTypeLab.setText("Nominal");
- break;
- case Attribute.NUMERIC:
- m_AttributeTypeLab.setText("Numeric");
- break;
- case Attribute.STRING:
- m_AttributeTypeLab.setText("String");
- break;
- default:
- m_AttributeTypeLab.setText("Unknown");
- break;
- }
- m_MissingLab.setText("...");
- m_UniqueLab.setText("...");
- m_DistinctLab.setText("...");
- }
- /**
- * Tests out the attribute summary panel from the command line.
- *
- * @param args optional name of dataset to load
- */
- public static void main(String [] args) {
- try {
- final javax.swing.JFrame jf = new javax.swing.JFrame("Attribute Panel");
- jf.getContentPane().setLayout(new BorderLayout());
- final AttributeSummaryPanel p = new AttributeSummaryPanel();
- p.setBorder(BorderFactory.createTitledBorder("Attribute"));
- jf.getContentPane().add(p, BorderLayout.CENTER);
- final javax.swing.JComboBox j = new javax.swing.JComboBox();
- j.setEnabled(false);
- j.addActionListener(new java.awt.event.ActionListener() {
- public void actionPerformed(java.awt.event.ActionEvent e) {
- p.setAttribute(j.getSelectedIndex());
- }
- });
- jf.getContentPane().add(j, BorderLayout.NORTH);
- jf.addWindowListener(new java.awt.event.WindowAdapter() {
- public void windowClosing(java.awt.event.WindowEvent e) {
- jf.dispose();
- System.exit(0);
- }
- });
- jf.pack();
- jf.setVisible(true);
- if (args.length == 1) {
- java.io.Reader r = new java.io.BufferedReader(
- new java.io.FileReader(args[0]));
- Instances inst = new Instances(r);
- p.setInstances(inst);
- p.setAttribute(0);
- String [] names = new String [inst.numAttributes()];
- for (int i = 0; i < names.length; i++) {
- names[i] = inst.attribute(i).name();
- }
- j.setModel(new javax.swing.DefaultComboBoxModel(names));
- j.setEnabled(true);
- }
- } catch (Exception ex) {
- ex.printStackTrace();
- System.err.println(ex.getMessage());
- }
- }
- }