Read data from csv file, and Smooth the data by binning methods.
Code:
package binning;
import java.io.BufferedReader;
import java.io.FileReader;
public class NewJFrame extends
javax.swing.JFrame {
public NewJFrame() {
initComponents();
}
@SuppressWarnings("unchecked")
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jTextField1 = new
javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("No of Bin");
jButton1.setText("Click");
jButton1.addActionListener(new
java.awt.event.ActionListener() {
public void
actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new
javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(95, 95, 95)
.addComponent(jLabel1,
javax.swing.GroupLayout.PREFERRED_SIZE, 68,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 71,
Short.MAX_VALUE)
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, 87, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(79, 79, 79))
.addGroup(layout.createSequentialGroup()
.addGap(143, 143, 143)
.addComponent(jButton1)
.addContainerGap(204,
Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(75, 75, 75) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jTextField1,
javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel1))
.addGap(68, 68, 68)
.addComponent(jButton1)
.addContainerGap(116,
Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void
jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String csvFile = "D:/p1.csv";
BufferedReader
br;
String
line;
String
cvsSplitBy = ",";
int value[] = new int [100];
int i=0;
int temp=0;
try
{
br = new BufferedReader(new
FileReader(csvFile));
while
((line = br.readLine()) != null)
{
value[i]=Integer.parseInt(line);
System.out.print(value[i]+",");
i++;
}
br.close();
System.out.println("\nSort
Data");
for(int j=0;j<i;j++)
{
for(int k=j+1;k<i;k++)
{
if(value[j]>value[k])
{
temp=value[j];
value[j]=value[k];
value[k]=temp;
}
}
}
for(int j =0;j<i;j++)
{
System.out.print(value[j]+",");
}
int
bin=Integer.parseInt(jTextField1.getText());
int count=0;
int b1[] = new int [10];
int b2[] = new int[10];
int b3[] = new int [10];
for(int j=0;j<i;j++)
{
if(count<(i/bin))
{
b1[count]=value[j];
count++;
}
else if(count>=(i/bin) &&
count<((i*2)/bin))
{
System.out.print("b2");
b2[count-(i/bin)]=value[j];
count++;
}
else
{
b3[count-(i*2/bin)]=value[j];
count++;
}
}
System.out.println("\nEqual Partition");
System.out.print("Bin
1:");
for(int
j=0;j<i/bin;j++)
System.out.print(b1[j]+",");
System.out.print("\nBin
2:");
for(int j=0;j<i/bin;j++)
System.out.print(b2[j]+",");
System.out.print("\nBin
3:");
for(int j=0;j<i/bin;j++)
System.out.print(b3[j]+",");
System.out.print("\n\nBining by Mean Value");
int mean_b1
=find_mean(b1,i/bin);
int mean_b2 =find_mean(b2,i/bin);
int mean_b3
=find_mean(b3,i/bin);
System.out.print("\nBin
1:"+mean_b1+","+mean_b1+","+mean_b1);
System.out.print("\nBin
2:"+mean_b2+","+mean_b2+","+mean_b2);
System.out.print("\nBin 3:"+mean_b3+","+mean_b3+","+mean_b3);
System.out.print("\n\nBinning by Median Value");
int m_b1
=find_median(b1,i/bin);
int m_b2
=find_median(b2,i/bin);
int m_b3
=find_median(b3,i/bin);
System.out.print("\nBin
1:"+m_b1+","+m_b1+","+m_b1);
System.out.print("\nBin
2:"+m_b2+","+m_b2+","+m_b2);
System.out.print("\nBin
3:"+m_b3+","+m_b3+","+m_b3);
System.out.print("\n\nBinning by Boundary Value");
System.out.print("\nBin
1:");
for(int j=0;j<i/bin;j++)
{
int a = b1[j] - b1 [0];
int b =b1[i/bin-1]-b1[j];
if(a>b)
System.out.print(b1[i/bin-1]+",");
else
System.out.print(b1[0]+",");
}
System.out.print("\nBin
2:");
for(int j=0;j<i/bin;j++)
{
int a = b2[j] - b2[0];
int b =b2[i/bin-1]-b2[j];
if(a>b)
System.out.print(b2[i/bin-1]+",");
else
System.out.print(b2[0]+",");
}
System.out.print("\nBin
3:");
for(int j=0;j<i/bin;j++)
{
int a = b3[j] - b3 [0];
int b =b3[i/bin-1]-b3[j];
if(a>b)
System.out.print(b3[i/bin-1]+",");
else
System.out.print(b3[0]+",");
}
}
catch(Exception e)
{
System.out.println(e);
}
}
int find_mean(int value[],int i)
{
int mean;
int sum=0;
for(int j=0;j<i;j++)
{
sum=sum+value[j];
}
mean=Math.round(sum/i);
return mean;
}
int find_median(int value[],int i)
{
int median;
if(i%2!=0)
{
int index=Math.round(i/2);
median=value[index];
}
else
{
int index=i/2;
median=(value[index-1]+value[index])/2;
}
return median;
}
public static void main(String args[]) {
try {
for
(javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
if
("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
} catch (InstantiationException ex)
{
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
} catch
(javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
}
java.awt.EventQueue.invokeLater(new
Runnable() {
public void run() {
new
NewJFrame().setVisible(true);
}
});
}
private javax.swing.JButton jButton1;
private javax.swing.JLabel jLabel1;
private javax.swing.JTextField jTextField1;
}
Output:
