package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.sequential_rules.rulegrowth.AlgoERMiner;
/**
* Example of how to use the ERMiner algorithm in source code.
*
* @author Philippe Fournier-Viger
*/
public class MainTestERMiner {
public static void main(String[] arg) throws IOException,
InterruptedException {
String input = fileToPath("contextPrefixSpan.txt"); // the database
String output = ".//output.txt"; // the path for saving the frequent itemsets found
// Applying ERMiner algorithm with minsup = 3 sequences and minconf = 0.5
int minsup_relative = 3;
double minconf = 0.5;
AlgoERMiner algo = new AlgoERMiner();
algo.runAlgorithm(input, output, minsup_relative, minconf);
// If you want to use an absolute support (percentage value), use
// the following lines instead:
// double minsup_absolute = 0.75; // it means 75 %
// AlgoERMiner algo = new AlgoERMiner();
// algo.runAlgorithm(minsup_absolute, minconf, input, output);
// print statistics
algo.printStats();
}
public static String fileToPath(String filename)
throws UnsupportedEncodingException {
URL url = MainTestERMiner.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(), "UTF-8");
}
}