BNrandomEvidence.java

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import java.util.HashSet;
import java.util.Random;

import edu.ksu.cis.bnj.ver3.core.BeliefNode;
import edu.ksu.cis.bnj.ver3.core.Domain;
import edu.tum.cs.bayesnets.core.BeliefNetworkEx;


public class BNrandomEvidence {
        
        public static void main(String[] args) {
                try {                   
                        // read arguments
                        if(args.length != 2) {
                                System.out.println("\n usage: BNrandomEvidence <network> <numEvidence>\n\n");System.exit(1);
                        }                       
                        String networkFile = args[0];
                        int numEvidence = Integer.parseInt(args[1]);

                        // load model
                        BeliefNetworkEx bn = new BeliefNetworkEx(networkFile);
                        BeliefNode[] nodes = bn.bn.getNodes();
                        HashSet<BeliefNode> handled = new HashSet<BeliefNode>();
                        Random rand = new Random();
                        while(handled.size() < numEvidence) {
                                BeliefNode n = nodes[rand.nextInt(nodes.length)];
                                if(handled.contains(n))
                                        continue;
                                handled.add(n);
                                Domain d = n.getDomain();
                                System.out.printf("%s = %s\n", n.toString(), d.getName(rand.nextInt(d.getOrder())));
                        }
                }
                catch(Exception e) {
                        e.printStackTrace();
                }
        }
}

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srldb
Author(s): Dominik Jain, Stefan Waldherr, Moritz Tenorth
autogenerated on Fri Jan 11 09:58:29 2013