/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* WilcoxonSignedRankTestDialog.java
*
* Created on Jan 8, 2010, 1:12:00 PM
*/
package org.statcato.dialogs.stat.nonparametrics;
import org.statcato.StatcatoDialog;
import org.statcato.Statcato;
import org.statcato.DialogEdit;
import org.statcato.statistics.inferential.nonparametrics.WilcoxonSignedRankTest;
import org.statcato.spreadsheet.Cell;
import org.statcato.utils.HelperFunctions;
import javax.swing.ButtonGroup;
import java.util.Vector;
/**
* A dialog for Wilcoxon signed rank test for one sample or two samples
* of matched pairs.
*
* Allows the user to specify data values of a single sample or matched pairs
* of two samples. The user must provide
* the alternative hypothesis and significance level.
* Computes and displays in log window the sample size, rank sums,
* test statistic, cricial value, as well as the p-Value.
*
* @author Margaret Yau
* @see org.statcato.statistics.inferential.nonparametrics.WilcoxonSignedRankTest
* @version %I%, %G%
* @since 1.0
*/
public class WilcoxonSignedRankTestDialog extends StatcatoDialog {
/** Creates new form WilcoxonSignedRankTestDialog */
public WilcoxonSignedRankTestDialog(java.awt.Frame parent, boolean modal) {
super(parent, modal);
initComponents();
app = (Statcato)parent;
ParentSpreadsheet = app.getSpreadsheet();
ParentSpreadsheet.populateComboBox(Sample1ComboBox);
ParentSpreadsheet.populateComboBox(Sample2ComboBox);
ButtonGroup group = new ButtonGroup();
group.add(Sample2RadioButton);
group.add(Sample1RadioButton);
getRootPane().setDefaultButton(OKButton);
setHelpFile("stat-nonparam-wilcoxon");
name = "Wilcoxon Signed Rank Test";
description = "For performing the Wilcoxon Signed Rank Test for a single "
+ "population mean or matched pairs.";
helpStrings.add("Select whether there is one sample or two sapmles of " +
"matched pairs. Select the column names in the drop-down menus.");
helpStrings.add("Provide the alternative hypothesis and significance level.");
}
/** 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.
*/
@SuppressWarnings("unchecked")
// //GEN-BEGIN:initComponents
private void initComponents() {
jPanel3 = new javax.swing.JPanel();
jLabel8 = new javax.swing.JLabel();
HyMedianTextField = new javax.swing.JTextField();
AltComboBox = new javax.swing.JComboBox();
HyMedianLabel = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
jLabel2 = new javax.swing.JLabel();
Sample2ComboBox = new javax.swing.JComboBox();
jLabel1 = new javax.swing.JLabel();
Sample2RadioButton = new javax.swing.JRadioButton();
Sample1ComboBox = new javax.swing.JComboBox();
ColumnComboBox = new javax.swing.JComboBox();
Sample1RadioButton = new javax.swing.JRadioButton();
jLabel4 = new javax.swing.JLabel();
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();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Wilcoxon Signed Rank Test");
jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("Alternative Hypothesis"));
jLabel8.setText("Alternative Hypothesis: ");
HyMedianTextField.setText("0");
AltComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Less than", "Not Equal to", "Greater than" }));
AltComboBox.setSelectedIndex(1);
HyMedianLabel.setText("Hypothesized Median:");
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)
.addGroup(jPanel3Layout.createSequentialGroup()
.addComponent(jLabel8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(AltComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel3Layout.createSequentialGroup()
.addGap(38, 38, 38)
.addComponent(HyMedianLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(HyMedianTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(42, Short.MAX_VALUE))
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(AltComboBox, 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(HyMedianLabel)
.addComponent(HyMedianTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Inputs"));
jLabel2.setText("Second Sample:");
Sample2ComboBox.setEnabled(false);
jLabel1.setText("First Sample:");
Sample2RadioButton.setText("Two Samples (Matched Pairs)");
Sample2RadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
Sample2RadioButtonStateChanged(evt);
}
});
Sample1ComboBox.setEnabled(false);
Sample1RadioButton.setSelected(true);
Sample1RadioButton.setText("One Sample ");
Sample1RadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
Sample1RadioButtonStateChanged(evt);
}
});
jLabel4.setText("Sample in Column:");
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(Sample2RadioButton)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(21, 21, 21)
.addComponent(jLabel4)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 11, Short.MAX_VALUE)
.addComponent(ColumnComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 114, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(Sample1RadioButton, javax.swing.GroupLayout.Alignment.LEADING))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(39, 39, 39)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel2)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(Sample2ComboBox, javax.swing.GroupLayout.Alignment.TRAILING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(Sample1ComboBox, 0, 114, Short.MAX_VALUE))))
.addGap(39, 39, 39))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(6, 6, 6)
.addComponent(Sample1RadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(ColumnComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel4))
.addGap(18, 18, 18)
.addComponent(Sample2RadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(Sample1ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(Sample2ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel2))
.addGap(124, 124, 124))
);
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");
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)
.addContainerGap(98, 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))
.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()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, 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)))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addContainerGap())
.addGroup(layout.createSequentialGroup()
.addGap(91, 91, 91)
.addComponent(OKButton, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton)
.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(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 207, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.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, 27, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(OKButton)
.addComponent(CancelButton)))
);
pack();
}// //GEN-END:initComponents
/**
* 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(Sample1ComboBox);
updateComboBox(Sample2ComboBox);
updateComboBox(ColumnComboBox);
}
private void Sample2RadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_Sample2RadioButtonStateChanged
if (Sample2RadioButton.isSelected()) {
Sample1ComboBox.setEnabled(true);
Sample2ComboBox.setEnabled(true);
} else {
Sample1ComboBox.setEnabled(false);
Sample2ComboBox.setEnabled(false);
}
}//GEN-LAST:event_Sample2RadioButtonStateChanged
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("wilcoxon signed rank test");
String heading = "Wilcoxon Signed Rank Test:";
String text = "";
String columnLabel1 = "", columnLabel2 = "";
WilcoxonSignedRankTest st;
double median = 0;
// get hypothesized median
try {
median = Double.parseDouble(HyMedianTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid number for the hypothesized mean.");
return;
}
// get type of test
int typeTest = AltComboBox.getSelectedIndex();
// get confidence level from dialog
double significance;
try {
significance = Double.parseDouble(SigTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a number between 0 and 1 for the significance level.");
return;
}
if (significance <= 0 || significance >= 1) {
app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
return;
}
heading += " Significance level = " + significance;
// samples of matched pairs provided
if (Sample2RadioButton.isSelected()) {
// get data for first sample input column
columnLabel1 = Sample1ComboBox.getSelectedItem().toString();
Vector ColumnVector1 = new Vector();
Vector ColumnVector2 = new Vector();
if (columnLabel1.equals("")) { // no input variable
app.showErrorDialog("Select sample 1 input column.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel1);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
ColumnVector1 = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (ColumnVector1 == null) {
app.showErrorDialog("Invalid input column " + columnLabel1 +
": all data must be numbers.");
return;
}
text += "Sample 1: " + columnLabel1 + "
";
columnLabel2 = Sample2ComboBox.getSelectedItem().toString();
if (columnLabel2.equals("")) { // no input variable
app.showErrorDialog("Select sample 2 input column.");
return;
}
column = ParentSpreadsheet.parseColumnNumber(columnLabel2);
StrColumnVector = ParentSpreadsheet.getColumn(column);
ColumnVector2 = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (ColumnVector2 == null) {
app.showErrorDialog("Invalid input column " + columnLabel2 +
": all data must be numbers.");
return;
}
text += "Sample 2: " + columnLabel2 + "
";
Vector DiffVector = HelperFunctions.ComputeDiffVector(
ColumnVector1, ColumnVector2);
if (DiffVector == null) {
app.showErrorDialog("There are unmatched pairs in the sample.");
return;
}
text += "Difference of Matched Pairs " + columnLabel1 + " - " +
columnLabel2 + "
";
st = new WilcoxonSignedRankTest(DiffVector, median, typeTest, significance);
}
// one sample provided
else {
// get data for first sample input column
columnLabel1 = ColumnComboBox.getSelectedItem().toString();
Vector ColumnVector1 = new Vector();
if (columnLabel1.equals("")) { // no input variable
app.showErrorDialog("Select sample input column.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel1);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
ColumnVector1 = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (ColumnVector1 == null) {
app.showErrorDialog("Invalid input column " + columnLabel1 +
": all data must be numbers.");
return;
}
text += "Single Sample: " + columnLabel1 + "
";
st = new WilcoxonSignedRankTest(ColumnVector1, median, typeTest, significance);
}
// outputs
text += "H0: = " + median + "
";
text += "H1: ";
if (typeTest == WilcoxonSignedRankTest.LESS)
text += " < ";
else if (typeTest == WilcoxonSignedRankTest.GREATER)
text += " > ";
else
text += " ≠ ";
text += median + "
";
text += st;
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 Sample1RadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_Sample1RadioButtonStateChanged
if (Sample1RadioButton.isSelected()) {
ColumnComboBox.setEnabled(true);
} else {
ColumnComboBox.setEnabled(false);
}
}//GEN-LAST:event_Sample1RadioButtonStateChanged
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JComboBox AltComboBox;
private javax.swing.JButton CancelButton;
private javax.swing.JComboBox ColumnComboBox;
private javax.swing.JLabel HyMedianLabel;
private javax.swing.JTextField HyMedianTextField;
private javax.swing.JButton OKButton;
private javax.swing.JComboBox Sample1ComboBox;
private javax.swing.JRadioButton Sample1RadioButton;
private javax.swing.JComboBox Sample2ComboBox;
private javax.swing.JRadioButton Sample2RadioButton;
private javax.swing.JTextField SigTextField;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel8;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
// End of variables declaration//GEN-END:variables
}
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