/*
* GoodnessOfFitDialog.java
*
* Created on July 1, 2008, 11:24 AM
*/
package org.statcato.dialogs.stat.multinomial;
import org.statcato.*;
import org.statcato.spreadsheet.*;
import org.statcato.utils.HelperFunctions;
import org.statcato.statistics.BasicStatistics;
import javax.swing.*;
import java.util.*;
import org.statcato.statistics.inferential.GoodnessOfFitTest;
/**
* A dialog for a chi-square goodness-of-fit test given a significance level.
* Allows the user to specify the observed frequencies in the Datasheet,
* as well as the expected frequencies if they are unequal.
* 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.GoodnessOfFitTest
* @since 1.0
*/
public class GoodnessOfFitDialog extends StatcatoDialog {
/** Creates new form GoodnessOfFitDialog */
public GoodnessOfFitDialog(java.awt.Frame parent, boolean modal,
Statcato app) {
super(parent, modal);
this.app = app;
ParentSpreadsheet = app.getSpreadsheet();
initComponents();
customInitComponents();
setHelpFile("stat-multi-goodness");
name = "Chi-Square Goodness of Fit Test";
description = "For determining whether an observed frequency " +
"distribution agrees with some claimed distribution.";
helpStrings.add("Specify the observed and expected frequencies.");
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() {
updateComboBox(OFreqComboBox);
updateComboBox(ODataComboBox);
updateComboBox(UnEqFreqComboBox);
updateComboBox(ProbComboBox);
updateComboBox(CatComboBox);
updateComboBox(PastComboBox);
}
public void customInitComponents() {
ButtonGroup group1 = new ButtonGroup();
group1.add(OFreqRadioButton);
group1.add(ODataRadioButton);
ButtonGroup group2 = new ButtonGroup();
group2.add(EqFreqRadioButton);
group2.add(UnEqualFreqRadioButton);
group2.add(ExCatRadioButton);
ButtonGroup group3 = new ButtonGroup();
group3.add(UneqFreqRadioButton);
group3.add(UneqProbRadioButton);
ParentSpreadsheet.populateComboBox(OFreqComboBox);
ParentSpreadsheet.populateComboBox(ODataComboBox);
ParentSpreadsheet.populateComboBox(UnEqFreqComboBox);
ParentSpreadsheet.populateComboBox(ProbComboBox);
ParentSpreadsheet.populateComboBox(CatComboBox);
ParentSpreadsheet.populateComboBox(PastComboBox);
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();
jPanel1 = new javax.swing.JPanel();
jPanel3 = new javax.swing.JPanel();
ODataComboBox = new javax.swing.JComboBox();
CatComboBox = new javax.swing.JComboBox();
OFreqRadioButton = new javax.swing.JRadioButton();
jLabel1 = new javax.swing.JLabel();
ODataRadioButton = new javax.swing.JRadioButton();
jLabel7 = new javax.swing.JLabel();
OFreqComboBox = new javax.swing.JComboBox();
jLabel5 = new javax.swing.JLabel();
jPanel4 = new javax.swing.JPanel();
UnEqualFreqRadioButton = new javax.swing.JRadioButton();
jLabel2 = new javax.swing.JLabel();
EqFreqRadioButton = new javax.swing.JRadioButton();
UnEqFreqComboBox = new javax.swing.JComboBox();
UneqLabel = new javax.swing.JLabel();
UneqFreqRadioButton = new javax.swing.JRadioButton();
UneqProbRadioButton = new javax.swing.JRadioButton();
ProbComboBox = new javax.swing.JComboBox();
ExCatRadioButton = new javax.swing.JRadioButton();
PastLabel = new javax.swing.JLabel();
PastComboBox = new javax.swing.JComboBox();
jPanel2 = new javax.swing.JPanel();
SigTextField = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Chi-Square Goodness of Fit Test");
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);
}
});
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Inputs"));
ODataComboBox.setEnabled(false);
OFreqRadioButton.setSelected(true);
OFreqRadioButton.setText("Frequencies in Column:");
OFreqRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
OFreqRadioButtonStateChanged(evt);
}
});
jLabel1.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel1.setText("Observed Frequencies:");
ODataRadioButton.setText("Categorical Data in Column:");
ODataRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
ODataRadioButtonStateChanged(evt);
}
});
jLabel7.setText("(optional)");
jLabel5.setText("Category names in Column:");
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(jLabel1)
.addGroup(jPanel3Layout.createSequentialGroup()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addGap(21, 21, 21)
.addComponent(jLabel5))
.addComponent(OFreqRadioButton)
.addComponent(ODataRadioButton))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(ODataComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(OFreqComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel3Layout.createSequentialGroup()
.addComponent(CatComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel7)))))
.addContainerGap())
);
jPanel3Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {CatComboBox, ODataComboBox, OFreqComboBox});
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(OFreqRadioButton)
.addComponent(OFreqComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(CatComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(ODataRadioButton)
.addComponent(ODataComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
UnEqualFreqRadioButton.setText("Unequal Frequencies");
UnEqualFreqRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
UnEqualFreqRadioButtonStateChanged(evt);
}
});
jLabel2.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel2.setText("Expected Frequencies:");
EqFreqRadioButton.setSelected(true);
EqFreqRadioButton.setText("Equal Frequencies");
UnEqFreqComboBox.setEnabled(false);
UneqLabel.setText("(assume in the same order as the categories provided)");
UneqLabel.setEnabled(false);
UneqFreqRadioButton.setSelected(true);
UneqFreqRadioButton.setText("Frequencies in Column:");
UneqFreqRadioButton.setEnabled(false);
UneqFreqRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
UneqFreqRadioButtonStateChanged(evt);
}
});
UneqProbRadioButton.setText("Probabilities in Column:");
UneqProbRadioButton.setEnabled(false);
UneqProbRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
UneqProbRadioButtonStateChanged(evt);
}
});
ProbComboBox.setEnabled(false);
ExCatRadioButton.setText("Categorical Data");
ExCatRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
ExCatRadioButtonStateChanged(evt);
}
});
PastLabel.setText("Past Sample Data in Column:");
PastLabel.setEnabled(false);
PastComboBox.setEnabled(false);
javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
jPanel4.setLayout(jPanel4Layout);
jPanel4Layout.setHorizontalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGap(43, 43, 43)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(UneqProbRadioButton)
.addComponent(UneqFreqRadioButton))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(UnEqFreqComboBox, 0, 91, Short.MAX_VALUE)
.addComponent(ProbComboBox, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addComponent(UneqLabel)))
.addGroup(jPanel4Layout.createSequentialGroup()
.addGap(10, 10, 10)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(EqFreqRadioButton)
.addComponent(jLabel2)
.addComponent(UnEqualFreqRadioButton)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(ExCatRadioButton)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGap(21, 21, 21)
.addComponent(PastLabel)))
.addGap(10, 10, 10)
.addComponent(PastComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 82, javax.swing.GroupLayout.PREFERRED_SIZE)))))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel4Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {ProbComboBox, UnEqFreqComboBox});
jPanel4Layout.setVerticalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(EqFreqRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(UnEqualFreqRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(UneqFreqRadioButton)
.addComponent(UnEqFreqComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(UneqProbRadioButton)
.addComponent(ProbComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(UneqLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(ExCatRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(PastLabel)
.addComponent(PastComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.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(jPanel4, javax.swing.GroupLayout.DEFAULT_SIZE, 215, Short.MAX_VALUE)
.addContainerGap())
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Significance"));
SigTextField.setText("0.05");
jLabel4.setText("0 - 1.00 (e.g. 0.05)");
jLabel6.setText("Significance level:");
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(58, 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())
);
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()
.addContainerGap()
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(132, 132, 132)
.addComponent(OKButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.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()
.addGap(4, 4, 4)
.addComponent(jPanel1, 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, 37, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(CancelButton)
.addComponent(OKButton))
.addContainerGap())
);
pack();
}// //GEN-END:initComponents
private void OFreqRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_OFreqRadioButtonStateChanged
if (OFreqRadioButton.isSelected()) {
OFreqComboBox.setEnabled(true);
CatComboBox.setEnabled(true);
}
else {
OFreqComboBox.setEnabled(false);
CatComboBox.setEnabled(false);
}
}//GEN-LAST:event_OFreqRadioButtonStateChanged
private void ODataRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_ODataRadioButtonStateChanged
if (ODataRadioButton.isSelected()) {
ODataComboBox.setEnabled(true);
}
else {
ODataComboBox.setEnabled(false);
}
}//GEN-LAST:event_ODataRadioButtonStateChanged
private void UnEqualFreqRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_UnEqualFreqRadioButtonStateChanged
if (UnEqualFreqRadioButton.isSelected()) {
UnEqFreqComboBox.setEnabled(true);
ProbComboBox.setEnabled(true);
UneqFreqRadioButton.setEnabled(true);
UneqProbRadioButton.setEnabled(true);
UneqLabel.setEnabled(true);
}
else {
UnEqFreqComboBox.setEnabled(false);
ProbComboBox.setEnabled(false);
UneqFreqRadioButton.setEnabled(false);
UneqProbRadioButton.setEnabled(false);
UneqLabel.setEnabled(false);
}
UneqFreqRadioButtonStateChanged(evt);
UneqProbRadioButtonStateChanged(evt);
}//GEN-LAST:event_UnEqualFreqRadioButtonStateChanged
@SuppressWarnings("unchecked")
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("goodness of fit");
double confidenceLevel = 0;
Vector ColumnVector = new Vector();
Vector EFreqVector = new Vector();
Vector CatColumnVector = null;
String heading = "Chi-Square Goodness-of-Fit Test:";
String text = "";
// get significance level from dialog
try {
confidenceLevel = 1 - Double.parseDouble(SigTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a number between 0 and 1 for the significance level.");
return;
}
if (confidenceLevel <= 0 || confidenceLevel >= 1) {
app.showErrorDialog("Enter a number between 0 and 1 for the significance level.");
return;
}
if (OFreqRadioButton.isSelected()) {
// frequencies in column
String columnLabel = OFreqComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the column containing observed" +
" frequencies.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
ColumnVector = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (ColumnVector == null) {
app.showErrorDialog("Invalid input column " + columnLabel +
": all data must be numbers.");
return;
}
text += "Input: " + columnLabel + "
";
ColumnVector = HelperFunctions.removeNullValues(ColumnVector);
// optional category names
if (CatComboBox.getSelectedIndex() != 0) {
String catColumnLabel = CatComboBox.getSelectedItem().toString();
CatColumnVector = ParentSpreadsheet.getColumn(
ParentSpreadsheet.parseColumnNumber(catColumnLabel));
CatColumnVector = HelperFunctions.removeNullCells(CatColumnVector);
}
}
else {
// get frequencies from categorical data
// frequencies in column
String columnLabel = ODataComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the column containing categorical " +
"data.");
return;
}
text += "Input: " + columnLabel + "
";
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
StrColumnVector = HelperFunctions.removeNullCells(StrColumnVector);
Object returnValues[] = HelperFunctions.ComputeCategoryFrequency(
StrColumnVector);
ColumnVector = (Vector)returnValues[1];
CatColumnVector = (Vector)returnValues[0];
}
double total = BasicStatistics.sum(ColumnVector);
// assume equal frequencies
if (EqFreqRadioButton.isSelected()) {
double expected = total / ColumnVector.size();
for (int i = 0; i < ColumnVector.size(); ++i)
EFreqVector.addElement(new Double(expected));
text += "Expected frequency = " +
HelperFunctions.formatFloat(expected, 4) + "
";
}
// get expected unequal frequencies from column
else if (UnEqualFreqRadioButton.isSelected()) {
// expected frequencies in column
if (UneqFreqRadioButton.isSelected()) {
// frequencies
String columnLabel = UnEqFreqComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the column containing " +
"expected frequencies.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
EFreqVector = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (EFreqVector == null) {
app.showErrorDialog("Invalid input column " + columnLabel +
": all data must be numbers.");
return;
}
text += "Expected frequencies in " + columnLabel + "
";
EFreqVector = HelperFunctions.removeNullValues(EFreqVector);
}
else {
// probabilities
String columnLabel = ProbComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the column containing " +
"expected probabilites.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
EFreqVector = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (EFreqVector == null) {
app.showErrorDialog("Invalid input column " + columnLabel +
": all data must be numbers.");
return;
}
text += "Expected probabilities in " + columnLabel + "
";
EFreqVector = HelperFunctions.removeNullValues(EFreqVector);
double totalProb = BasicStatistics.sum(EFreqVector);
if (totalProb != 1) {
app.showErrorDialog("The expected probabilities must add " +
"up to 1.");
return;
}
// multiply probabilites with total frequency
for (int i = 0; i < EFreqVector.size(); ++i) {
EFreqVector.setElementAt(EFreqVector.elementAt(i).doubleValue() * total, i);
}
}
}
else { // historical sample categorical data
String columnLabel = PastComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the column containing past sample " +
"categorical data.");
return;
}
text += "Past Sample Data: " + columnLabel + "
";
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
StrColumnVector = HelperFunctions.removeNullCells(StrColumnVector);
Object returnValues[] = HelperFunctions.ComputeCategoryFrequency(
StrColumnVector);
Vector PastEFreqVector = (Vector)returnValues[1];
Vector PastCatColumnVector = (Vector)returnValues[0];
if (PastCatColumnVector.size() != CatColumnVector.size()) {
app.showErrorDialog("The number of categories in " +
"the past sample data must be the same as the " +
"number of categories observed.");
return;
}
double pastTotal = BasicStatistics.sum(PastEFreqVector);
for (int i = 0; i < CatColumnVector.size(); ++i) {
Cell cat = CatColumnVector.elementAt(i);
int index = -1;
for (int j = 0; j < PastCatColumnVector.size(); ++j) {
if (PastCatColumnVector.elementAt(j).toString().equals(
cat.toString())) {
index = j;
break;
}
}
if (index == -1) {
app.showErrorDialog("The category " + cat + " is not " +
"found in the past sample data.");
return;
}
double freq = PastEFreqVector.elementAt(index).doubleValue();
EFreqVector.addElement(freq / pastTotal * total);
}
}
if (ColumnVector.size() != EFreqVector.size()) {
app.showErrorDialog("The number of observed frequencies and " +
"the number of expected frequencies must be the same.");
return;
}
GoodnessOfFitTest test = new GoodnessOfFitTest(ColumnVector.size(),
confidenceLevel);
Vector tsCont = test.testStatisticContribution(ColumnVector,
EFreqVector);
double ts = BasicStatistics.sum(tsCont);
text += "";
text += "Category Observed Frequency " +
"Expected Frequency Contribution to Χ2" +
" ";
if (CatColumnVector == null)
text += i;
else
text += CatColumnVector.elementAt(i);
text += " " + ColumnVector.elementAt(i) + " ";
text += HelperFunctions.formatFloat(EFreqVector.elementAt(i).doubleValue(), 4)
+ " " +
HelperFunctions.formatFloat(tsCont.elementAt(i).doubleValue(), 4)
+ "
";
text += "";
text += "N Number of Categories DOF Significance " +
"Critical Value Test statistics " +
"p-Value " + total + " " +
ColumnVector.size() + " " +
test.DOF() + " " +
HelperFunctions.formatFloat(1 - confidenceLevel, 2) + " " +
HelperFunctions.formatFloat(test.criticalValue(), 4) +
" " + HelperFunctions.formatFloat(ts, 4) +
" " + HelperFunctions.formatFloat(test.pValue(ts), 4)
+ " ";
text += " ";
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 UneqFreqRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_UneqFreqRadioButtonStateChanged
if (UneqFreqRadioButton.isSelected() && UnEqualFreqRadioButton.isSelected()) {
UnEqFreqComboBox.setEnabled(true);
}
else {
UnEqFreqComboBox.setEnabled(false);
}
}//GEN-LAST:event_UneqFreqRadioButtonStateChanged
private void UneqProbRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_UneqProbRadioButtonStateChanged
if (UneqProbRadioButton.isSelected() && UnEqualFreqRadioButton.isSelected()) {
ProbComboBox.setEnabled(true);
}
else {
ProbComboBox.setEnabled(false);
}
}//GEN-LAST:event_UneqProbRadioButtonStateChanged
private void ExCatRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_ExCatRadioButtonStateChanged
if (ExCatRadioButton.isSelected()) {
PastLabel.setEnabled(true);
PastComboBox.setEnabled(true);
}
else {
PastLabel.setEnabled(false);
PastComboBox.setEnabled(false);
}
}//GEN-LAST:event_ExCatRadioButtonStateChanged
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton CancelButton;
private javax.swing.JComboBox CatComboBox;
private javax.swing.JRadioButton EqFreqRadioButton;
private javax.swing.JRadioButton ExCatRadioButton;
private javax.swing.JComboBox ODataComboBox;
private javax.swing.JRadioButton ODataRadioButton;
private javax.swing.JComboBox OFreqComboBox;
private javax.swing.JRadioButton OFreqRadioButton;
private javax.swing.JButton OKButton;
private javax.swing.JComboBox PastComboBox;
private javax.swing.JLabel PastLabel;
private javax.swing.JComboBox ProbComboBox;
private javax.swing.JTextField SigTextField;
private javax.swing.JComboBox UnEqFreqComboBox;
private javax.swing.JRadioButton UnEqualFreqRadioButton;
private javax.swing.JRadioButton UneqFreqRadioButton;
private javax.swing.JLabel UneqLabel;
private javax.swing.JRadioButton UneqProbRadioButton;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JPanel jPanel4;
// End of variables declaration//GEN-END:variables
}
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