/*
* HyTestMatchedPairsDialog.java
*
* Created on June 12, 2008, 11:41 AM
*/
package org.statcato.dialogs.stat.hytest;
import org.statcato.*;
import org.statcato.spreadsheet.*;
import org.statcato.statistics.inferential.*;
import org.statcato.utils.HelperFunctions;
import java.util.*;
import javax.swing.*;
import org.statcato.statistics.BasicStatistics;
/**
* A dialog for testing claims about the mean of the differences
* between a population of matched pairs.
* Allows the user to specify data samples in columns of a Datasheet,
* or provide summary data values. The user must also provide
* the confidence level, alternative hypothesis, and hypothesized
* mean.
* Computes and displays in log window the significance level,
* critical value, test statistic, and p-Value.
*
* @author Margaret Yau
* @version %I%, %G%
* @see org.statcato.statistics.inferential.HypothesisTestMatchedPairs
* @since 1.0
*/
public class HyTestMatchedPairsDialog extends StatcatoDialog {
/** Creates new form HyTestMatchedPairsDialog */
public HyTestMatchedPairsDialog(java.awt.Frame parent, boolean modal,
Statcato mTab) {
super(parent, modal);
initComponents();
app = mTab;
ParentSpreadsheet = app.getSpreadsheet();
ButtonGroup group1 = new ButtonGroup();
group1.add(SampleRadioButton);
group1.add(SummaryRadioButton);
ButtonGroup group4 = new ButtonGroup();
group4.add(SigRadioButton);
group4.add(ConfRadioButton);
ParentSpreadsheet.populateComboBox(Sample1ComboBox);
ParentSpreadsheet.populateComboBox(Sample2ComboBox);
getRootPane().setDefaultButton(OKButton);
setHelpFile("stat-hytest-matched");
name = "Hypothesis Test: Matched Pairs";
description = "For performing calculations for testing claims about " +
"the mean of the differences between a population of matched pairs.";
helpStrings.add("The sample data can be inputted in one of two ways...");
helpStrings.add("Samples in columns: The sample matched pairs are " +
"provided in two columns, and the two values in a matched " +
"pair are provided in the same row.");
helpStrings.add("Summarized Sample Data: The sample size, mean, and " +
"standard deviation are provided.");
helpStrings.add("Specify the significance or confidence level.");
helpStrings.add("Select the form of alternative hypothesis.");
helpStrings.add("Enter the hypothesized mean difference (hypothesized " +
"mean of differences for the population of all matched pairs).");
}
/**
* 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);
}
/** 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();
SizeTextField = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
Sample2ComboBox = new javax.swing.JComboBox();
jLabel1 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
SampleRadioButton = new javax.swing.JRadioButton();
StdevTextField = new javax.swing.JTextField();
Sample1ComboBox = new javax.swing.JComboBox();
MeanTextField = new javax.swing.JTextField();
jLabel5 = new javax.swing.JLabel();
SummaryRadioButton = new javax.swing.JRadioButton();
jLabel3 = new javax.swing.JLabel();
jPanel3 = new javax.swing.JPanel();
jLabel8 = new javax.swing.JLabel();
HyMeanTextField = new javax.swing.JTextField();
AltComboBox = new javax.swing.JComboBox();
jLabel9 = new javax.swing.JLabel();
SigPanel = new javax.swing.JPanel();
SigLabel = new javax.swing.JLabel();
ConfidenceTextField = new javax.swing.JTextField();
ConfRadioButton = new javax.swing.JRadioButton();
SigRadioButton = new javax.swing.JRadioButton();
SigTextField = new javax.swing.JTextField();
ConfLabel = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Hypothesis Test: Matched Pairs");
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"));
SizeTextField.setEnabled(false);
jLabel2.setText("Second Sample:");
jLabel1.setText("First Sample:");
jLabel4.setText("Mean:");
SampleRadioButton.setSelected(true);
SampleRadioButton.setText("Samples in Columns");
SampleRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
SampleRadioButtonStateChanged(evt);
}
});
StdevTextField.setEnabled(false);
MeanTextField.setEnabled(false);
jLabel5.setText("Standard Deviation:");
SummaryRadioButton.setText("Summarized Sample Data");
SummaryRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
SummaryRadioButtonStateChanged(evt);
}
});
jLabel3.setText("Sample Size:");
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(SummaryRadioButton)
.addComponent(SampleRadioButton)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(38, 38, 38)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel5)
.addComponent(jLabel3)
.addComponent(jLabel4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(StdevTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 76, Short.MAX_VALUE)
.addComponent(MeanTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 78, Short.MAX_VALUE)
.addComponent(SizeTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 78, Short.MAX_VALUE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(Sample2ComboBox, 0, 98, Short.MAX_VALUE)
.addComponent(Sample1ComboBox, 0, 98, Short.MAX_VALUE))))))
.addContainerGap(27, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(SampleRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(Sample1ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(Sample2ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(SummaryRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(SizeTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(MeanTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(StdevTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("Alternative Hypothesis"));
jLabel8.setText("Alternative Hypothesis:");
HyMeanTextField.setText("0");
AltComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Less than", "Not Equal to", "Greater than" }));
AltComboBox.setSelectedIndex(1);
jLabel9.setText("Hypothesized Mean:");
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)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.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(jLabel9)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(HyMeanTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(115, 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)
.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(jLabel9)
.addComponent(HyMeanTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(23, Short.MAX_VALUE))
);
SigPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("Significance"));
SigLabel.setText("0 - 1.00 (e.g. 0.05)");
ConfidenceTextField.setText("0.95");
ConfidenceTextField.setEnabled(false);
ConfidenceTextField.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
ConfidenceTextFieldFocusLost(evt);
}
});
ConfRadioButton.setText("Confidence Level:");
ConfRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
ConfRadioButtonStateChanged(evt);
}
});
SigRadioButton.setSelected(true);
SigRadioButton.setText("Significance Level:");
SigRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
SigRadioButtonStateChanged(evt);
}
});
SigTextField.setText("0.05");
SigTextField.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
SigTextFieldFocusLost(evt);
}
});
ConfLabel.setText("0 - 1.00 (e.g. 0.95)");
ConfLabel.setEnabled(false);
javax.swing.GroupLayout SigPanelLayout = new javax.swing.GroupLayout(SigPanel);
SigPanel.setLayout(SigPanelLayout);
SigPanelLayout.setHorizontalGroup(
SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(SigPanelLayout.createSequentialGroup()
.addContainerGap()
.addGroup(SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(ConfRadioButton)
.addComponent(SigRadioButton))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(ConfidenceTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(SigLabel)
.addComponent(ConfLabel))
.addGap(29, 29, 29))
);
SigPanelLayout.setVerticalGroup(
SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(SigPanelLayout.createSequentialGroup()
.addGap(6, 6, 6)
.addGroup(SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(SigRadioButton)
.addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(SigLabel))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(SigPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(ConfRadioButton)
.addComponent(ConfidenceTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(ConfLabel))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
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(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(SigPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addGroup(layout.createSequentialGroup()
.addGap(258, 258, 258)
.addComponent(OKButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton)))
.addContainerGap())
);
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()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(SigPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(CancelButton)
.addComponent(OKButton))
.addContainerGap())
);
pack();
}// //GEN-END:initComponents
private void SummaryRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_SummaryRadioButtonStateChanged
if (SummaryRadioButton.isSelected()) {
SizeTextField.setEnabled(true);
MeanTextField.setEnabled(true);
StdevTextField.setEnabled(true);
} else {
SizeTextField.setEnabled(false);
MeanTextField.setEnabled(false);
StdevTextField.setEnabled(false);
}
}//GEN-LAST:event_SummaryRadioButtonStateChanged
private void SampleRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_SampleRadioButtonStateChanged
if (SampleRadioButton.isSelected()) {
Sample1ComboBox.setEnabled(true);
Sample2ComboBox.setEnabled(true);
} else {
Sample1ComboBox.setEnabled(false);
Sample2ComboBox.setEnabled(false);
}
}//GEN-LAST:event_SampleRadioButtonStateChanged
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("hypothesis test matched pairs");
int n = 0;
double s = 0, mean = 0, confidenceLevel;
String heading = "Hypothesis Test - Matched Pairs:";
String text = "";
if (ConfRadioButton.isSelected()) {
// get confidence level from dialog
try {
confidenceLevel = Double.parseDouble(ConfidenceTextField.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;
}
}
else {
// 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 significance level.");
return;
}
if (confidenceLevel <= 0 || confidenceLevel >= 1) {
app.showErrorDialog("Enter a number between 0 and 1 for the significance level.");
return;
}
}
heading += " confidence level = " +
String.format("%."+
HelperFunctions.getNumDecimalPlaces(ConfidenceTextField.getText())+"f",
confidenceLevel);
String columnLabel1 = "", columnLabel2 = "";
// samples of matched pairs provided
if (SampleRadioButton.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 + "
";
n = BasicStatistics.Nnonmissing(DiffVector);
mean = BasicStatistics.mean(DiffVector).doubleValue();
s = BasicStatistics.stdev(DiffVector).doubleValue();
}
// summary sample data provided
else {
try {
n = Integer.parseInt(SizeTextField.getText());
if (n < 1)
throw new NumberFormatException();
mean = Double.parseDouble(MeanTextField.getText());
s = Double.parseDouble(StdevTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Invalid summary data.");
return;
}
text += "Input: Summary data" + "
";
}
double mu = 0;
// get hypothesized mean
try {
mu = Double.parseDouble(HyMeanTextField.getText());
}
catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid number for the hypothesized mean.");
return;
}
// get type of test
int typeTest = AltComboBox.getSelectedIndex();
HypothesisTestMatchedPairs ht = new
HypothesisTestMatchedPairs(n, mu, s,
confidenceLevel, typeTest);
text += "Null hypothesis: μ = " + mu + "
";
text += "Alternative hypothesis: μ ";
if (typeTest == HypothesisTest.LEFT_TAIL)
text += "<";
else if (typeTest == HypothesisTest.RIGHT_TAIL)
text += ">";
else
text += "≠";
text += " " + mu + "
";
text += "
";
text += "N Sample Mean Stdev ";
text += "Significance Level Critical Value " +
"Test Statistic t " + "p-Value " + n + " " +
HelperFunctions.formatFloat(mean, 3) + " " +
HelperFunctions.formatFloat(s, 3) + " " +
HelperFunctions.formatFloat(1-confidenceLevel, 2) +
" " + ht.criticalValue()
+ " " + HelperFunctions.formatFloat(ht.testStatistics(mean), 3)
+ " " + HelperFunctions.formatFloat(ht.pValue(mean), 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 ConfidenceTextFieldFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_ConfidenceTextFieldFocusLost
try {
String confString = ConfidenceTextField.getText();
double conf = Double.parseDouble(confString);
double sig = 1.0 - conf;
SigTextField.setText(
String.format("%."+HelperFunctions.getNumDecimalPlaces(confString)+"f", sig));
} catch (NumberFormatException e) {
}
}//GEN-LAST:event_ConfidenceTextFieldFocusLost
private void ConfRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_ConfRadioButtonStateChanged
if (ConfRadioButton.isSelected()) {
ConfidenceTextField.setEnabled(true);
ConfLabel.setEnabled(true);
} else {
ConfidenceTextField.setEnabled(false);
ConfLabel.setEnabled(false);
}
}//GEN-LAST:event_ConfRadioButtonStateChanged
private void SigRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_SigRadioButtonStateChanged
if (SigRadioButton.isSelected()) {
SigTextField.setEnabled(true);
SigLabel.setEnabled(true);
} else {
SigTextField.setEnabled(false);
SigLabel.setEnabled(false);
}
}//GEN-LAST:event_SigRadioButtonStateChanged
private void SigTextFieldFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_SigTextFieldFocusLost
try {
String sigString = SigTextField.getText();
double sig = Double.parseDouble(sigString);
double conf = 1 - sig;
ConfidenceTextField.setText(
String.format("%."+HelperFunctions.getNumDecimalPlaces(sigString)+"f", conf));
} catch (NumberFormatException e) {
}
}//GEN-LAST:event_SigTextFieldFocusLost
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JComboBox AltComboBox;
private javax.swing.JButton CancelButton;
private javax.swing.JLabel ConfLabel;
private javax.swing.JRadioButton ConfRadioButton;
private javax.swing.JTextField ConfidenceTextField;
private javax.swing.JTextField HyMeanTextField;
private javax.swing.JTextField MeanTextField;
private javax.swing.JButton OKButton;
private javax.swing.JComboBox Sample1ComboBox;
private javax.swing.JComboBox Sample2ComboBox;
private javax.swing.JRadioButton SampleRadioButton;
private javax.swing.JLabel SigLabel;
private javax.swing.JPanel SigPanel;
private javax.swing.JRadioButton SigRadioButton;
private javax.swing.JTextField SigTextField;
private javax.swing.JTextField SizeTextField;
private javax.swing.JTextField StdevTextField;
private javax.swing.JRadioButton SummaryRadioButton;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel8;
private javax.swing.JLabel jLabel9;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel3;
// End of variables declaration//GEN-END:variables
}
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