package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.frequentpatterns.aprioriTID.AlgoAprioriTID_Bitset;
/**
* Example of how to use the AprioriTID algorithm (bitset version), and
* save the result to a file, from the source code.
*
* @author Philippe Fournier-Viger
*/
public class MainTestAprioriTID_bitset_saveToFile {
public static void main(String [] arg) throws NumberFormatException, IOException{
// Loading the binary context
String input = fileToPath("contextPasquier99.txt"); // the database
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 AprioriTID algorithm
AlgoAprioriTID_Bitset apriori = new AlgoAprioriTID_Bitset();
apriori.runAlgorithm(input, output, minsup);
apriori.printStats();
}
public static String fileToPath(String filename) throws UnsupportedEncodingException{
URL url = MainTestAprioriTID_bitset_saveToFile.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(),"UTF-8");
}
}