/*
* BinomialSampleDialog.java
*
* Created on July 31, 2008, 10:11 AM
*/
package org.statcato.dialogs.data;
import org.statcato.*;
import org.statcato.random.BinomialSample;
import java.util.Vector;
/**
* A dialog for creating random samples from a binomial distribution.
*
* @author Margaret Yau
* @version %I%, %G%
* @see org.statcato.random.BinomialSample
* @since 1.0
*/
public class BinomialSampleDialog extends StatcatoDialog {
/** Creates new form BinomialSampleDialog */
public BinomialSampleDialog(java.awt.Frame parent, boolean modal,
Statcato app) {
super(parent, modal);
ParentSpreadsheet = app.getSpreadsheet();
this.app = app;
initComponents();
customInitComponents();
}
public void customInitComponents() {
getRootPane().setDefaultButton(OKButton);
setHelpFile("data-random-binomial");
name = "Random Binomial Sample";
description = "For generating random samples from a binomial distribution.";
helpStrings.add("Specify the column name(s) in which samples will be " +
"stored, the sample size, and the number of trials and the " +
"event probability of the binomial distribution.");
}
/** 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();
jLabel1 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
StoreTextField = new javax.swing.JTextField();
nTextField = new javax.swing.JTextField();
jPanel2 = new javax.swing.JPanel();
jLabel6 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
ProbTextField = new javax.swing.JTextField();
SeedTextField = new javax.swing.JTextField();
jLabel8 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
TrialsTextField = new javax.swing.JTextField();
jLabel9 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Random Binomial 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"));
jLabel1.setText("Number of Samples to Generate:");
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");
jLabel3.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel3.setText("Store Samples in:");
jLabel2.setText("for each 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)
.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))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel1)
.addGap(18, 18, 18)
.addComponent(nTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel2)))
.addGap(6, 6, 6))
);
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.RELATED)
.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(34, 34, 34)
.addGroup(jPanel1Layout.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))
.addContainerGap())
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Options"));
jLabel6.setText("Number of Trials:");
jLabel4.setText("Random Generator Seed (optional):");
jLabel8.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
jLabel8.setText("Binomial Distribution");
jLabel7.setText("Event Probability:");
jLabel9.setText("0 ≤ p ≤ 1");
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(ProbTextField)
.addComponent(TrialsTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jLabel8))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel8)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(TrialsTextField, 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(ProbTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel9, 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()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addGroup(layout.createSequentialGroup()
.addGap(125, 125, 125)
.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, 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(CancelButton)
.addComponent(OKButton))
.addContainerGap())
);
pack();
}// //GEN-END:initComponents
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("binomial samples");
// get sample size, minimum, maximum
int n = 0, trials = 0;
double probability = 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 {
trials = Integer.parseInt(TrialsTextField.getText());
if (trials <= 0)
throw new NumberFormatException();
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid number of trials.");
return;
}
try {
probability = Double.parseDouble(ProbTextField.getText());
if (probability < 0 || probability > 1)
throw new NumberFormatException();
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a valid event probability.");
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
BinomialSample sampler = new BinomialSample(
trials, probability);
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) {
int sample = sampler.nextSample();
results.addElement(sample + "");
}
ParentSpreadsheet.setColumn(storeColumnNum, results);
}
app.addLogParagraph("Binomial Samples: # trials = " + trials +
", event probability = " + probability,
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.JButton OKButton;
private javax.swing.JTextField ProbTextField;
private javax.swing.JTextField SeedTextField;
private javax.swing.JTextField StoreTextField;
private javax.swing.JTextField TrialsTextField;
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.JLabel jLabel9;
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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