@Test
public void testIris() throws ScoreException {
double scoreBetter = subject.score(FakeClustering.iris());
double scoreWorser = subject.score(FakeClustering.irisWrong4());
// should recognize better clustering
assertEquals(true, subject.isBetter(scoreBetter, scoreWorser));
}
/**
* Check against definition (and tests in R package clusterCrit)
* https://cran.r-project.org/web/packages/clusterCrit/index.html
*
* <p>NOTE: There's a small problem with precision of floating point operations. First 7 decimal
* digits seems to match.
*/
@Test
public void testClusterCrit() throws ScoreException {
double score = subject.score(FakeClustering.int100p4());
// clustCrit: 105.942129943902
assertEquals(105.942129943902, score, delta);
}
