package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.frequentpatterns.apriori.AlgoApriori;
/**
* Example of how to use APRIORI algorithm from the source code.
* @author Philippe Fournier-Viger (Copyright 2008)
*/
public class MainTestApriori_saveToFile {
public static void main(String [] arg) throws IOException{
String input = fileToPath("contextPasquier99.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 Apriori algorithm
AlgoApriori apriori = new AlgoApriori();
apriori.runAlgorithm(minsup, input, output);
apriori.printStats();
}
public static String fileToPath(String filename) throws UnsupportedEncodingException{
URL url = MainTestApriori_saveToFile.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(),"UTF-8");
}
}