private static Multiset toMultiSet(HeuristicsNet net) {
Multiset ms = new HashMultiset();
for (int i = 0; i < net.getDuplicatesMapping().length; i++) {
if ((net.getInputSet(i).size() > 0) || (net.getOutputSet(i).size() > 0)) {
ms.add(net.getLogEvents().getEvent(net.getDuplicatesMapping()[i]));
}
}
return ms;
}
private void calculatePrecisionAndRecall() {
Multiset tasksBaseNetMS = null;
Multiset taskstFoundNetMS = null;
Multiset intersectionTasksMS = null;
tasksBaseNetMS = toMultiSet(baseHN);
taskstFoundNetMS = toMultiSet(foundHN);
intersectionTasksMS = tasksBaseNetMS.intersection(taskstFoundNetMS);
try {
recall = ((double) intersectionTasksMS.size() / tasksBaseNetMS.size());
} catch (ArithmeticException exc) {
// division by zero
recall = 0.0;
}
try {
precision = ((double) intersectionTasksMS.size() / taskstFoundNetMS.size());
} catch (ArithmeticException exc) {
// division by zero
precision = 0.0;
}
}