p-value calculation using Java - rjava

Question

I want to make a Java program to calculate the P-value of my data that I want to upload, but getting too much trouble to do so. The data is been read by the Java program, but next step is to solve data for getting p-value.
The input file is:
The input Should be:-
Name A B C
a 1.7085586 0.73179674 3.3962722
b 0.092749596 -0.10030079 -0.47453594
c 1.1727467 0.15784931 0.0572958
d -0.91714764 -0.62808895 -0.6190882
e 0.34570503 0.10605621 0.30304766
f 2.333506 -0.2063818 0.4022169
g 0.7893815 1.449388 1.5907407
And the Output should be like this:-
Name pValue
a 0.129618298
b 0.4363544
c 0.323631285
d 0.017916658
e 0.076331828
f 0.385619995
g 0.035449488
I have run this data in R program but I want to write some Java to solve this.
My Java code till now is:
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class Abc {
public static void main(String[] args) {
// TODO Auto-generated method stub
BufferedReader br = null;
try {
String sCurrentLine;
br = new BufferedReader(new FileReader("C:/Documents and Settings/Admin/Desktop/test.txt"));
while ((sCurrentLine = br.readLine()) != null) {
System.out.println(sCurrentLine);
//output = BufferedReader.getParser().getAsDoubleArray("br");
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (br != null)br.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
This is only reading my data and showing it in the console of Java. How to proceed?

Answer 1

I think your are facing problem with retrieving and printing values from file. Below program gives output in required format :
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class Abc {
public static void main(String[] args) {
BufferedReader br = null;
String sCurrentLine;
try {
br = new BufferedReader(new FileReader("C:/Documents and Settings/Admin/Desktop/test.txt"));
// Override Default Header Row
br.readLine();
System.out.println("Name" + "\t" + "pValue");
while ((sCurrentLine = br.readLine()) != null) {
int i = 0;
String str[] = sCurrentLine.split("\t");
System.out.print(str[i] + "\t");
Double dValue1 = Double.parseDouble(str[++i]);
Double dValue2 = Double.parseDouble(str[++i]);
Double dValue3 = Double.parseDouble(str[++i]);
// Do pValue Calc here
Double pValue = 1.2334;
System.out.println(pValue);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (br != null)
br.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}