/**
* Test method for {@link com.jgaap.distances.NominalKSDistance#distance(com.jgaap.util.EventSet,
* com.jgaap.util.EventSet)}.
*/
@Test
public void testDistance() {
EventSet es1 = new EventSet();
EventSet es2 = new EventSet();
Vector<Event> test1 = new Vector<Event>();
test1.add(new Event("The", null));
test1.add(new Event("quick", null));
test1.add(new Event("brown", null));
test1.add(new Event("fox", null));
test1.add(new Event("jumps", null));
test1.add(new Event("over", null));
test1.add(new Event("the", null));
test1.add(new Event("lazy", null));
test1.add(new Event("dog", null));
test1.add(new Event(".", null));
es1.addEvents(test1);
es2.addEvents(test1);
assertTrue(new NominalKSDistance().distance(new EventMap(es1), new EventMap(es2)) == 0.00);
Vector<Event> test2 =
new Vector<
Event>(); // set with the same number of elements, only one repeats and none are the
// same as in test1
test2.add(new Event("33", null));
test2.add(new Event("5", null));
test2.add(new Event("6", null));
test2.add(new Event("8", null));
test2.add(new Event("44", null));
test2.add(new Event("7", null));
test2.add(new Event("33", null));
test2.add(new Event("10", null));
test2.add(new Event("2", null));
test2.add(new Event("..", null));
es2 = new EventSet();
es2.addEvents(test2);
double result = new NominalKSDistance().distance(new EventMap(es1), new EventMap(es2));
assertTrue(DistanceTestHelper.inRange(result, 1.00, 0.0000000001));
}
@Test
public void testProcess() throws EventCullingException {
List<EventSet> eventSets = new ArrayList<EventSet>();
EventSet eventSet1 = new EventSet();
eventSet1.addEvent(new Event("A", null));
eventSet1.addEvent(new Event("A", null));
eventSet1.addEvent(new Event("A", null));
eventSet1.addEvent(new Event("A", null));
eventSet1.addEvent(new Event("A", null));
eventSet1.addEvent(new Event("B", null));
eventSet1.addEvent(new Event("B", null));
eventSet1.addEvent(new Event("B", null));
eventSet1.addEvent(new Event("C", null));
eventSets.add(eventSet1);
EventSet eventSet2 = new EventSet();
eventSet2.addEvent(new Event("A", null));
eventSet2.addEvent(new Event("B", null));
eventSet2.addEvent(new Event("C", null));
eventSet2.addEvent(new Event("D", null));
eventSet2.addEvent(new Event("E", null));
eventSet2.addEvent(new Event("F", null));
eventSet2.addEvent(new Event("F", null));
eventSet2.addEvent(new Event("G", null));
eventSet2.addEvent(new Event("H", null));
eventSets.add(eventSet2);
EventSet eventSet3 = new EventSet();
eventSet3.addEvent(new Event("E", null));
eventSet3.addEvent(new Event("E", null));
eventSet3.addEvent(new Event("E", null));
eventSet3.addEvent(new Event("F", null));
eventSet3.addEvent(new Event("A", null));
eventSet3.addEvent(new Event("B", null));
eventSet3.addEvent(new Event("D", null));
eventSet3.addEvent(new Event("H", null));
eventSet3.addEvent(new Event("C", null));
eventSets.add(eventSet3);
WeightedVariance culler = new WeightedVariance();
culler.setParameter("numEvents", 4);
Set<Event> results = culler.train(eventSets);
Set<Event> expected = new HashSet<Event>();
expected.add(new Event("A", null));
expected.add(new Event("B", null));
expected.add(new Event("E", null));
expected.add(new Event("F", null));
assertTrue(results.equals(expected));
}