/*
* NormalSampleDialog.java
*
* Created on July 31, 2008, 8:42 AM
*/
package org.statcato.dialogs.data;
import org.statcato.*;
import org.statcato.random.NormalSample;
import java.util.Vector;
/**
* A dialog fot generating random samples from a normal distribution.
*
* @author Margaret Yau
* @version %I%, %G%
* @see org.statcato.random.NormalSample
* @since 1.0
*/
public class NormalSampleDialog extends StatcatoDialog {
/** Creates new form NormalSampleDialog */
public NormalSampleDialog(java.awt.Frame parent, boolean modal,
Statcato app) {
super(parent, modal);
ParentSpreadsheet = app.getSpreadsheet();
this.app = app;
initComponents();
customInitComponents();
setHelpFile("data-random-normal");
name = "Random Normal Sample";
description = "For generating random samples from a normal distribution.";
helpStrings.add("Specify the column name(s) in which samples will be " +
"stored, the sample size, and the mean and standard deviation " +
"of the normal distribution.");
}
public void customInitComponents() {
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();
StoreTextField = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jPanel2 = new javax.swing.JPanel();
SeedTextField = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
StdevTextField = new javax.swing.JTextField();
nTextField = new javax.swing.JTextField();
jLabel8 = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
MeanTextField = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Random Normal Sample");
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("Results"));
jLabel3.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel3.setText("Store Samples in:");
jLabel5.setText("\n- Enter valid column names separated by space.
\nFor a continuous range of columns, separate using dash (e.g. C1-C30).
\n- The random sampling process is repeated for each column.\n\n");
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)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(StoreTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 218, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jLabel5, 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()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(StoreTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(11, 11, 11))
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Options"));
jLabel4.setText("Random Generator Seed (optional):");
jLabel7.setText("Standard Deviation:");
StdevTextField.setText("1");
jLabel8.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel8.setText("Normal Distribution");
jLabel1.setText("Number of Samples to Generate:");
jLabel6.setText("Mean:");
MeanTextField.setText("0");
jLabel2.setText("for each column");
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()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel4)
.addGap(17, 17, 17)
.addComponent(SeedTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(25, 25, 25)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel7)
.addComponent(jLabel6))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(StdevTextField)
.addComponent(MeanTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addComponent(jLabel8)
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(nTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel2)))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel2Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {MeanTextField, StdevTextField});
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(nTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel2))
.addGap(45, 45, 45)
.addComponent(jLabel8)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(MeanTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel7)
.addComponent(StdevTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(43, 43, 43)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(SeedTextField, 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()
.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))
.addGroup(layout.createSequentialGroup()
.addGap(120, 120, 120)
.addComponent(OKButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton)))
.addGap(0, 0, Short.MAX_VALUE))
.addComponent(jPanel2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.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()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jPanel2, 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(OKButton)
.addComponent(CancelButton))
.addContainerGap())
);
pack();
}// //GEN-END:initComponents
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("normal samples");
// get sample size, minimum, maximum
int n = 0;
double mean = 0, stdev = 0;
try {
n = Integer.parseInt(nTextField.getText());
if (n <= 0)
throw new NumberFormatException();
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid sample size.");
return;
}
try {
mean = Double.parseDouble(MeanTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid mean value.");
return;
}
try {
stdev = Double.parseDouble(StdevTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid standard deviation.");
return;
}
// get and check column(s) for storing samples
int storeColumnNum;
String StoreColumn = StoreTextField.getText();
Vector nums = ParentSpreadsheet.getColumnNumbersFromString(StoreColumn);
if (nums == null) {
app.showErrorDialog(
"Invalid column(s) for storing results.");
return;
}
for (int i = 0; i < nums.size(); ++i) {
storeColumnNum = nums.elementAt(i).intValue();
// generate random samples
NormalSample sampler = new NormalSample(mean, stdev);
try { // set seed if needed
long seed = Long.parseLong(SeedTextField.getText());
sampler.setSeed(seed);
} catch (NumberFormatException e) {
}
Vector results = new Vector();
for (int j = 0; j < n; ++j) {
double sample = sampler.nextSample();
results.addElement(sample + "");
}
ParentSpreadsheet.setColumn(storeColumnNum, results);
}
app.addLogParagraph("Normal Samples: mean = " + mean +
", stdev = " + stdev,
n + " samples stored in each of " + StoreColumn);
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
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton CancelButton;
private javax.swing.JTextField MeanTextField;
private javax.swing.JButton OKButton;
private javax.swing.JTextField SeedTextField;
private javax.swing.JTextField StdevTextField;
private javax.swing.JTextField StoreTextField;
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 jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JLabel jLabel8;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JTextField nTextField;
// End of variables declaration//GEN-END:variables
}
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