Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package chisquarecalculator; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import org.apache.commons.math3.distribution.ChiSquaredDistribution; import org.apache.commons.math3.stat.inference.ChiSquareTest; /** * * @author felixfan */ public class ChisqCal { JTextField jtf1, jtf2, jtf3, jtf4, jtf5, jtf6, jtf7, jtf8, jtf9, jtf10; JTextField jtf11, jtf12, jtf13, jtf14, jtf15, jtf16, jtf17; public ChisqCal() { final JFrame jfrm = new JFrame("Chi Square Calculator"); jfrm.setSize(400, 550); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jfrm.setResizable(false); // panel 1 JPanel pn1 = new JPanel(); pn1.setOpaque(true); pn1.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "2 x 2")); JLabel jlab1 = new JLabel("class 1"); JLabel jlab2 = new JLabel("class 2"); JLabel jlab3 = new JLabel("case"); JLabel jlab4 = new JLabel("control"); jtf1 = new JTextField(); jtf2 = new JTextField(); jtf3 = new JTextField(); jtf4 = new JTextField(); // pn1 layout all GridBagLayout CalLayout1 = new GridBagLayout(); GridBagConstraints gbc1 = new GridBagConstraints(); pn1.setLayout(CalLayout1); gbc1.weightx = 1.0; //default 0.0 gbc1.weighty = 1.0; //default 0.0 gbc1.insets = new Insets(4, 4, 4, 4); // Add some space gbc1.fill = GridBagConstraints.BOTH; gbc1.gridwidth = 1; gbc1.gridx = 1; gbc1.gridy = 0; CalLayout1.setConstraints(jlab1, gbc1); gbc1.gridx = 2; gbc1.gridy = 0; CalLayout1.setConstraints(jlab2, gbc1); gbc1.gridx = 0; gbc1.gridy = 1; CalLayout1.setConstraints(jlab3, gbc1); gbc1.gridx = 1; gbc1.gridy = 1; CalLayout1.setConstraints(jtf1, gbc1); gbc1.gridx = 2; gbc1.gridy = 1; CalLayout1.setConstraints(jtf2, gbc1); gbc1.gridx = 0; gbc1.gridy = 2; CalLayout1.setConstraints(jlab4, gbc1); gbc1.gridx = 1; gbc1.gridy = 2; CalLayout1.setConstraints(jtf3, gbc1); gbc1.gridx = 2; gbc1.gridy = 2; CalLayout1.setConstraints(jtf4, gbc1); pn1.add(jlab1); pn1.add(jlab2); pn1.add(jlab3); pn1.add(jlab4); pn1.add(jtf1); pn1.add(jtf2); pn1.add(jtf3); pn1.add(jtf4); // panel 2 JPanel pn2 = new JPanel(); pn2.setOpaque(true); pn2.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "2 x 3")); JLabel jlab5 = new JLabel("class 1"); JLabel jlab6 = new JLabel("class 2"); JLabel jlab7 = new JLabel("class 3"); JLabel jlab8 = new JLabel("case"); JLabel jlab9 = new JLabel("control"); jtf5 = new JTextField(); jtf6 = new JTextField(); jtf7 = new JTextField(); jtf8 = new JTextField(); jtf9 = new JTextField(); jtf10 = new JTextField(); // pn2 layout all GridBagLayout CalLayout2 = new GridBagLayout(); GridBagConstraints gbc2 = new GridBagConstraints(); pn2.setLayout(CalLayout2); gbc2.weightx = 1.0; //default 0.0 gbc2.weighty = 1.0; //default 0.0 gbc2.insets = new Insets(4, 4, 4, 4); // Add some space gbc2.fill = GridBagConstraints.BOTH; gbc2.gridwidth = 1; gbc2.gridx = 1; gbc2.gridy = 0; CalLayout2.setConstraints(jlab5, gbc2); gbc2.gridx = 2; gbc2.gridy = 0; CalLayout2.setConstraints(jlab6, gbc2); gbc2.gridx = 3; gbc2.gridy = 0; CalLayout2.setConstraints(jlab7, gbc2); gbc2.gridx = 0; gbc2.gridy = 1; CalLayout2.setConstraints(jlab8, gbc2); gbc2.gridx = 1; gbc2.gridy = 1; CalLayout2.setConstraints(jtf5, gbc2); gbc2.gridx = 2; gbc2.gridy = 1; CalLayout2.setConstraints(jtf6, gbc2); gbc2.gridx = 3; gbc2.gridy = 1; CalLayout2.setConstraints(jtf7, gbc2); gbc2.gridx = 0; gbc2.gridy = 2; CalLayout2.setConstraints(jlab9, gbc2); gbc2.gridx = 1; gbc2.gridy = 2; CalLayout2.setConstraints(jtf8, gbc2); gbc2.gridx = 2; gbc2.gridy = 2; CalLayout2.setConstraints(jtf9, gbc2); gbc2.gridx = 3; gbc2.gridy = 2; CalLayout2.setConstraints(jtf10, gbc2); pn2.add(jlab5); pn2.add(jlab6); pn2.add(jlab7); pn2.add(jlab8); pn2.add(jlab9); pn2.add(jtf5); pn2.add(jtf6); pn2.add(jtf7); pn2.add(jtf8); pn2.add(jtf9); pn2.add(jtf10); // panel 3 JPanel pn3 = new JPanel(); pn3.setOpaque(true); pn3.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "statistic")); JLabel jlab10 = new JLabel("chi-square"); JLabel jlab11 = new JLabel("degree of freedom"); jtf11 = new JTextField(); jtf12 = new JTextField(); GridBagLayout CalLayout3 = new GridBagLayout(); GridBagConstraints gbc3 = new GridBagConstraints(); pn3.setLayout(CalLayout3); gbc3.weightx = 1.0; //default 0.0 gbc3.weighty = 1.0; //default 0.0 gbc3.insets = new Insets(4, 4, 4, 4); // Add some space gbc3.fill = GridBagConstraints.BOTH; gbc3.gridwidth = 1; gbc3.gridx = 0; gbc3.gridy = 0; CalLayout3.setConstraints(jlab10, gbc3); gbc3.gridwidth = 3; gbc3.gridx = 1; gbc3.gridy = 0; CalLayout3.setConstraints(jtf11, gbc3); gbc3.gridwidth = 2; gbc3.gridx = 0; gbc3.gridy = 1; CalLayout3.setConstraints(jlab11, gbc3); gbc3.gridx = 2; gbc3.gridy = 1; CalLayout3.setConstraints(jtf12, gbc3); pn3.add(jlab10); pn3.add(jlab11); pn3.add(jtf11); pn3.add(jtf12); JPanel pn4 = new JPanel(); pn4.setOpaque(true); pn4.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "result")); JLabel jlab12 = new JLabel("p-value"); final JLabel jlab13 = new JLabel("odds ratio"); final JLabel jlab14 = new JLabel("standard error"); final JLabel jlab15 = new JLabel("confidence interval 95%"); jtf13 = new JTextField(); jtf14 = new JTextField(); jtf15 = new JTextField(); jtf16 = new JTextField(); jtf17 = new JTextField(); jlab13.setEnabled(false); jlab14.setEnabled(false); jlab15.setEnabled(false); jtf14.setEnabled(false); jtf15.setEnabled(false); jtf16.setEnabled(false); jtf17.setEnabled(false); JButton jbtn1 = new JButton("Run 2x2"); jbtn1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { long number1, number2, number3, number4; try { number1 = Long.parseLong(jtf1.getText()); number2 = Long.parseLong(jtf2.getText()); number3 = Long.parseLong(jtf3.getText()); number4 = Long.parseLong(jtf4.getText()); } catch (Exception ne) { JOptionPane.showMessageDialog(jfrm, "Error: Bad input, only integer is acceptable!"); return; } long[][] obs = new long[2][2]; obs[0][0] = number1; obs[0][1] = number2; obs[1][0] = number3; obs[1][1] = number4; ChiSquareTest mychiSquare = new ChiSquareTest(); final java.text.DecimalFormat mydf = new java.text.DecimalFormat("0.0000"); double stats = mychiSquare.chiSquare(obs); jtf11.setText(String.valueOf(mydf.format(stats))); jtf12.setText(String.valueOf(1)); double pvalue = mychiSquare.chiSquareTest(obs); jtf13.setText(String.valueOf(pvalue)); jtf5.setText(""); jtf6.setText(""); jtf7.setText(""); jtf8.setText(""); jtf9.setText(""); jtf10.setText(""); jlab13.setEnabled(true); jlab14.setEnabled(true); jlab15.setEnabled(true); jtf14.setEnabled(true); jtf15.setEnabled(true); jtf16.setEnabled(true); jtf17.setEnabled(true); double or = (double) (number2 * number3) / (number1 * number4); double se = Math.sqrt( (double) 1 / number1 + (double) 1 / number2 + (double) 1 / number3 + (double) 1 / number4); double logOR = Math.log(or); double logU95 = logOR + 1.96 * se; double logL95 = logOR - 1.96 * se; double U95 = Math.exp(logU95); double L95 = Math.exp(logL95); jtf14.setText(String.valueOf(mydf.format(or))); jtf15.setText(String.valueOf(mydf.format(se))); jtf16.setText(String.valueOf(mydf.format(L95))); jtf17.setText(String.valueOf(mydf.format(U95))); } }); JButton jbtn2 = new JButton("Run 2x3"); jbtn2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { long number1, number2, number3, number4, number5, number6; try { number1 = Long.parseLong(jtf5.getText()); number2 = Long.parseLong(jtf6.getText()); number3 = Long.parseLong(jtf7.getText()); number4 = Long.parseLong(jtf8.getText()); number5 = Long.parseLong(jtf9.getText()); number6 = Long.parseLong(jtf10.getText()); } catch (Exception ne) { JOptionPane.showMessageDialog(jfrm, "Error: Bad input, only integer is acceptable!"); return; } long[][] obs = new long[2][3]; obs[0][0] = number1; obs[0][1] = number2; obs[0][2] = number3; obs[1][0] = number4; obs[1][1] = number5; obs[1][2] = number6; ChiSquareTest mychiSquare = new ChiSquareTest(); final java.text.DecimalFormat mydf = new java.text.DecimalFormat("0.0000"); double stats = mychiSquare.chiSquare(obs); jtf11.setText(String.valueOf(mydf.format(stats))); jtf12.setText(String.valueOf(2)); double pvalue = mychiSquare.chiSquareTest(obs); jtf13.setText(String.valueOf(pvalue)); jtf1.setText(""); jtf2.setText(""); jtf3.setText(""); jtf4.setText(""); jtf14.setText(""); jtf15.setText(""); jtf16.setText(""); jtf17.setText(""); jlab13.setEnabled(false); jlab14.setEnabled(false); jlab15.setEnabled(false); jtf14.setEnabled(false); jtf15.setEnabled(false); jtf16.setEnabled(false); jtf17.setEnabled(false); } }); JButton jbtn3 = new JButton("Run Statistic"); jbtn3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { double stat, df; try { stat = Double.parseDouble(jtf11.getText()); df = Double.parseDouble(jtf12.getText()); } catch (Exception ne) { JOptionPane.showMessageDialog(jfrm, "Error: Bad input, only number is acceptable!"); return; } ChiSquaredDistribution distribution = new ChiSquaredDistribution(df); double pvalue = 1 - distribution.cumulativeProbability(stat); jtf13.setText(String.valueOf(pvalue)); jtf1.setText(""); jtf2.setText(""); jtf3.setText(""); jtf4.setText(""); jtf5.setText(""); jtf6.setText(""); jtf7.setText(""); jtf8.setText(""); jtf9.setText(""); jtf10.setText(""); jtf14.setText(""); jtf15.setText(""); jtf16.setText(""); jtf17.setText(""); jlab13.setEnabled(false); jlab14.setEnabled(false); jlab15.setEnabled(false); jtf14.setEnabled(false); jtf15.setEnabled(false); jtf16.setEnabled(false); jtf17.setEnabled(false); } }); JButton jbtn4 = new JButton("clear"); jbtn4.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { jtf1.setText(""); jtf2.setText(""); jtf3.setText(""); jtf4.setText(""); jtf5.setText(""); jtf6.setText(""); jtf7.setText(""); jtf8.setText(""); jtf9.setText(""); jtf10.setText(""); jtf11.setText(""); jtf12.setText(""); jtf13.setText(""); jtf14.setText(""); jtf15.setText(""); jtf16.setText(""); jtf17.setText(""); jlab13.setEnabled(false); jlab14.setEnabled(false); jlab15.setEnabled(false); jtf14.setEnabled(false); jtf15.setEnabled(false); jtf16.setEnabled(false); jtf17.setEnabled(false); } }); GridBagLayout CalLayout4 = new GridBagLayout(); GridBagConstraints gbc4 = new GridBagConstraints(); pn4.setLayout(CalLayout4); gbc4.weightx = 1.0; //default 0.0 gbc4.weighty = 1.0; //default 0.0 // gbc4.insets = new Insets(4, 4, 4, 4); // Add some space gbc4.insets = new Insets(1, 1, 1, 1); gbc4.fill = GridBagConstraints.BOTH; gbc4.gridwidth = 1; gbc4.gridx = 0; gbc4.gridy = 0; CalLayout4.setConstraints(jbtn1, gbc4); gbc4.gridx = 1; gbc4.gridy = 0; CalLayout4.setConstraints(jbtn2, gbc4); gbc4.gridx = 2; gbc4.gridy = 0; CalLayout4.setConstraints(jbtn3, gbc4); gbc4.gridx = 3; gbc4.gridy = 0; CalLayout4.setConstraints(jbtn4, gbc4); gbc4.gridx = 0; gbc4.gridy = 1; CalLayout4.setConstraints(jlab12, gbc4); gbc4.gridwidth = 3; gbc4.gridx = 1; gbc4.gridy = 1; CalLayout4.setConstraints(jtf13, gbc4); gbc4.gridwidth = 2; gbc4.gridx = 0; gbc4.gridy = 2; CalLayout4.setConstraints(jlab13, gbc4); gbc4.gridx = 2; gbc4.gridy = 2; CalLayout4.setConstraints(jtf14, gbc4); gbc4.gridx = 0; gbc4.gridy = 3; CalLayout4.setConstraints(jlab14, gbc4); gbc4.gridx = 2; gbc4.gridy = 3; CalLayout4.setConstraints(jtf15, gbc4); gbc4.gridx = 0; gbc4.gridy = 4; CalLayout4.setConstraints(jlab15, gbc4); gbc4.gridwidth = 1; gbc4.gridx = 2; gbc4.gridy = 4; CalLayout4.setConstraints(jtf16, gbc4); gbc4.gridx = 3; gbc4.gridy = 4; CalLayout4.setConstraints(jtf17, gbc4); pn4.add(jlab12); pn4.add(jlab13); pn4.add(jlab14); pn4.add(jlab15); pn4.add(jtf13); pn4.add(jtf14); pn4.add(jtf15); pn4.add(jtf16); pn4.add(jtf17); pn4.add(jbtn1); pn4.add(jbtn2); pn4.add(jbtn3); pn4.add(jbtn4); // jfrm layout all GridBagLayout CalLayout = new GridBagLayout(); GridBagConstraints gbc = new GridBagConstraints(); jfrm.setLayout(CalLayout); gbc.weightx = 1.0; //default 0.0 gbc.weighty = 1.0; //default 0.0 gbc.insets = new Insets(4, 4, 4, 4); // Add some space gbc.fill = GridBagConstraints.BOTH; gbc.gridwidth = 4; gbc.gridx = 0; gbc.gridy = 0; CalLayout.setConstraints(pn1, gbc); gbc.gridx = 0; gbc.gridy = 1; CalLayout.setConstraints(pn2, gbc); gbc.gridx = 0; gbc.gridy = 2; CalLayout.setConstraints(pn3, gbc); gbc.gridx = 0; gbc.gridy = 3; CalLayout.setConstraints(pn4, gbc); jfrm.add(pn1); jfrm.add(pn2); jfrm.add(pn3); jfrm.add(pn4); // Help Menu Bar JMenuBar jmb = new JMenuBar(); JMenu jmh = new JMenu("Help"); JMenuItem jmiAbout = new JMenuItem("About"); jmiAbout.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { JOptionPane.showMessageDialog(jfrm, "Name: Chi Square Calculator\n" + "Version: 1.0\n" + "Author: Felix Yanhui Fan\n" + "EMail: felixfanyh@gmail.com\n" + "Website: http://felixfan.github.io/ChiSquareCalculator\n"); } }); JMenuItem jmiLisence = new JMenuItem("Lisence"); jmiLisence.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(jfrm, "This program is licensed under the terms of \n" + "the GNU General Public License version 3 \n" + "Available online under: \n" + "http://www.gnu.org/licenses/gpl-3.0.html\n"); } }); jmh.add(jmiAbout); jmh.add(jmiLisence); jmb.add(Box.createHorizontalGlue()); // Aligning JMenu on the right corner of JMenuBar jmb.add(jmh); jfrm.setJMenuBar(jmb); jfrm.setVisible(true); } }