package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.frequentpatterns.pascal.AlgoPASCAL;
/**
* Example of how to use the PASCAL algorithm (hash-tree version),
* from the source code.
*
* @author Philippe Fournier-Viger (Copyright 2008)
*/
public class MainTestPascal {
public static void main(String [] arg) throws IOException{
String input = fileToPath("contextZart.txt");
String output = "output.txt"; // the path for saving the frequent itemsets found
double minsup = 0.4; // means a minsup of 2 transaction (we used a relative support)
// Applying the PASCAL algorithm
AlgoPASCAL algorithm = new AlgoPASCAL();
algorithm.runAlgorithm(minsup, input, output);
algorithm.printStats();
}
public static String fileToPath(String filename) throws UnsupportedEncodingException{
URL url = MainTestPascal.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(),"UTF-8");
}
}