@Test
public void diffClassificationTest() {
ClassificationCounter a = new ClassificationCounter();
a.addClassification("a", 4);
ClassificationCounter b = new ClassificationCounter();
b.addClassification("b", 4);
GiniImpurityScorer scorer = new GiniImpurityScorer();
Assert.assertEquals(scorer.scoreSplit(a, b), 0.5);
}
}