/*
* ContingencyTableDialog.java
*
* Created on July 7, 2008, 11:24 AM
*/
package org.statcato.dialogs.stat.multinomial;
import org.statcato.*;
import org.statcato.spreadsheet.*;
import org.statcato.utils.HelperFunctions;
import javax.swing.*;
import java.util.*;
import org.statcato.statistics.inferential.*;
/**
* A dialog for a chi-square contingency table test given a significance level.
* Allows the user to specify the columns of a contingency table.
* Computes degrees of freedom, critical value,
* test statistic, and
* p-Value and displays the results in the log window.
*
* @author Margaret Yau
* @version %I%, %G%
* @see org.statcato.statistics.inferential.ContingencyTable
* @since 1.0
*/
public class ContingencyTableDialog extends StatcatoDialog {
/** Creates new form ContingencyTableDialog */
public ContingencyTableDialog(java.awt.Frame parent, boolean modal,
Statcato app) {
super(parent, modal);
this.app = app;
ParentSpreadsheet = app.getSpreadsheet();
initComponents();
customInitComponents();
setHelpFile("stat-multi-contingency_table");
name = "Chi-Square Test: Contingency Table";
description = "For testing independence in a contingency table.";
helpStrings.add("The columns of a contingency table should be placed " +
"in separate columns in the Datasheet. All the columns in a " +
"contingency table must have the same number of rows.");
helpStrings.add("To specify a column of a contingency table, " +
"select a column of the table," +
" and click the Add to List button. ");
helpStrings.add("Specify the significance level.");
}
/**
* Updates elements on the dialog so that they have the most
* current values. Called by {@link #setVisible} to make
* sure the dialog displays current values when made visible again.
*
* @see #setVisible(boolean)
*/
@Override
public void updateElements() {
clearMutableColumnsList(ColList);
clearMutableColumnsList(VarList);
ParentSpreadsheet.populateMutableColumnsList(ColList);
}
public void customInitComponents() {
ParentSpreadsheet.populateMutableColumnsList(ColList);
ColList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
VarList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
getRootPane().setDefaultButton(OKButton);
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// //GEN-BEGIN:initComponents
private void initComponents() {
OKButton = new javax.swing.JButton();
CancelButton = new javax.swing.JButton();
jPanel2 = new javax.swing.JPanel();
jLabel6 = new javax.swing.JLabel();
SigTextField = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jPanel3 = new javax.swing.JPanel();
jScrollPane2 = new javax.swing.JScrollPane();
VarList = new JList(new DefaultListModel());
RemoveButton1 = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
jScrollPane3 = new javax.swing.JScrollPane();
ColList = new JList(new DefaultListModel());
jLabel1 = new javax.swing.JLabel();
AddButton1 = new javax.swing.JButton();
ClearButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Chi-Square Test: Contingency Table");
OKButton.setText("OK");
OKButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
OKButtonActionPerformed(evt);
}
});
CancelButton.setText("Cancel");
CancelButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
CancelButtonActionPerformed(evt);
}
});
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Significance"));
jLabel6.setText("Significance level:");
SigTextField.setText("0.05");
jLabel4.setText("0 - 1.00 (e.g. 0.05)");
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(10, 10, 10)
.addComponent(jLabel4)
.addContainerGap(156, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel4))
.addContainerGap())
);
jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("Inputs"));
VarList.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
VarListValueChanged(evt);
}
});
jScrollPane2.setViewportView(VarList);
RemoveButton1.setText("Remove from list >>");
RemoveButton1.setEnabled(false);
RemoveButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
RemoveButton1ActionPerformed(evt);
}
});
jLabel5.setText("Select a column of the table
\n(Ctrl-click or Shift-click to
\nselect multiple columns):");
ColList.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
ColListValueChanged(evt);
}
});
jScrollPane3.setViewportView(ColList);
jLabel1.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel1.setText("Columns:");
AddButton1.setText("<< Add to list");
AddButton1.setEnabled(false);
AddButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
AddButton1ActionPerformed(evt);
}
});
ClearButton1.setText("Clear Input List");
ClearButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ClearButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(ClearButton1)
.addGroup(jPanel3Layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 236, Short.MAX_VALUE)
.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel3Layout.createSequentialGroup()
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(22, 22, 22)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(AddButton1)
.addComponent(RemoveButton1))
.addGap(28, 28, 28)
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
jPanel3Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {AddButton1, RemoveButton1});
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel1)
.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addGap(46, 46, 46)
.addComponent(AddButton1)
.addGap(18, 18, 18)
.addComponent(RemoveButton1))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 122, Short.MAX_VALUE)
.addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 122, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(ClearButton1)))
.addContainerGap())
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(181, 181, 181)
.addComponent(OKButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {CancelButton, OKButton});
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 43, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(CancelButton)
.addComponent(OKButton))
.addContainerGap())
);
pack();
}// //GEN-END:initComponents
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("contingency table");
Vector> table = new Vector>();
int numRows = -1;
double confidenceLevel = 0;
String heading = "Chi-Square Test: Contingency Table:";
String text = "";
// get confidence level from dialog
try {
confidenceLevel = 1 - Double.parseDouble(SigTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
return;
}
if (confidenceLevel <= 0 || confidenceLevel >= 1) {
app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
return;
}
String header = "";
if (VarList.getModel().getSize() == 0) {
app.showErrorDialog("The list of columns is empty. " +
"Select at least one column.");
return;
}
for (int i = 0; i < VarList.getModel().getSize(); ++i) {
String x = (String) VarList.getModel().getElementAt(i);
header += "" + x + " ";
int selectedXColumn = ParentSpreadsheet.parseColumnNumber(x);
Vector StrColumnVector = ParentSpreadsheet.getColumn(
selectedXColumn);
// get x input column of doubles
Vector ColumnVector =
HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
ColumnVector = HelperFunctions.removeNullValues(ColumnVector);
if (ColumnVector == null) {
app.showErrorDialog("Invalid input column " + x +
": all data must be numbers.");
return;
}
if (numRows == -1)
numRows = ColumnVector.size();
else {
if (numRows != ColumnVector.size()) {
app.showErrorDialog("All columns must have the same " +
"number of elements.");
return;
}
}
table.addElement(ColumnVector);
}
ContingencyTable CT = new ContingencyTable(table);
text += " " + header;
text += "Total
";
text += "(expected frequency), [test statistic contribution]
";
text += "";
text += "Significance Level DOF " +
"Χ2 Critical value " +
"p-Value " + HelperFunctions.formatFloat(1 - confidenceLevel, 2)
+ " " + CT.DOF() + " " +
HelperFunctions.formatFloat(CT.testStatistics(), 4)
+ " " +
HelperFunctions.formatFloat(CT.criticalValue(confidenceLevel), 4)
+ " " +
HelperFunctions.formatFloat(CT.pValue(), 4) + " ";
app.addLogParagraph(heading, text);
app.compoundEdit.end();
app.addCompoundEdit(app.compoundEdit);
setVisible(false);
}//GEN-LAST:event_OKButtonActionPerformed
private void CancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CancelButtonActionPerformed
setVisible(false);
}//GEN-LAST:event_CancelButtonActionPerformed
private void VarListValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_VarListValueChanged
if (VarList.getSelectedIndex() != -1)
RemoveButton1.setEnabled(true);
else
RemoveButton1.setEnabled(false);
}//GEN-LAST:event_VarListValueChanged
private void RemoveButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_RemoveButton1ActionPerformed
Object[] list = VarList.getSelectedValues();
for (int i = 0; i < list.length; ++i) {
String x = (String)list[i];
((DefaultListModel)ColList.getModel()).addElement(x);
((DefaultListModel)VarList.getModel()).removeElement(x);
}
OKButton.requestFocusInWindow();
}//GEN-LAST:event_RemoveButton1ActionPerformed
private void ColListValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_ColListValueChanged
if (ColList.getSelectedIndex() != -1)
AddButton1.setEnabled(true);
else
AddButton1.setEnabled(false);
}//GEN-LAST:event_ColListValueChanged
private void AddButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_AddButton1ActionPerformed
Object[] list = ColList.getSelectedValues();
for (int i = 0; i < list.length; ++i) {
String x = (String)list[i];
((DefaultListModel)VarList.getModel()).addElement(x);
((DefaultListModel)ColList.getModel()).removeElement(x);
}
OKButton.requestFocusInWindow();
}//GEN-LAST:event_AddButton1ActionPerformed
private void ClearButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ClearButton1ActionPerformed
clearMutableColumnsList(ColList);
clearMutableColumnsList(VarList);
ParentSpreadsheet.populateMutableColumnsList(ColList);
}//GEN-LAST:event_ClearButton1ActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton AddButton1;
private javax.swing.JButton CancelButton;
private javax.swing.JButton ClearButton1;
private javax.swing.JList ColList;
private javax.swing.JButton OKButton;
private javax.swing.JButton RemoveButton1;
private javax.swing.JTextField SigTextField;
private javax.swing.JList VarList;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JScrollPane jScrollPane3;
// End of variables declaration//GEN-END:variables
}
|
Ads help maintain this website.