@Test public void test() { System.out.println("adjusted rand index"); int[] clusters = {2, 3, 3, 1, 1, 3, 3, 1, 3, 1, 1, 3, 3, 3, 3, 3, 2, 3, 3, 1, 1, 1, 1, 1, 1, 4, 1, 3, 3, 3, 3, 3, 1, 4, 4, 4, 3, 1, 1, 3, 1, 4, 3, 3, 3, 3, 1, 1, 3, 1, 1, 3, 3, 3, 3, 4, 3, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 3, 2, 3, 3, 1, 1, 3, 3, 3, 3, 3, 3, 1, 1, 3, 2, 3, 2, 2, 4, 1, 3, 1, 3, 1, 1, 3, 4, 4, 4, 1, 2, 3, 1, 1, 3, 1, 1, 1, 4, 3, 3, 2, 3, 3, 1, 3, 3, 1, 1, 1, 3, 4, 4, 2, 3, 3, 3, 3, 1, 1, 1, 3, 3, 3, 2, 3, 3, 3, 2, 3, 3, 1, 3, 1, 3, 3, 1, 1, 3, 3, 3, 1, 1, 1, 1, 3, 3, 4, 3, 2, 3, 1, 1, 3, 1, 2, 3, 1, 1, 3, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 3, 1, 3, 1, 1, 3, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 3, 3, 1, 3, 3, 3}; int[] alt = {3, 2, 2, 0, 0, 2, 2, 0, 2, 0, 0, 2, 2, 2, 2, 2, 3, 2, 2, 0, 0, 0, 0, 0, 0, 3, 0, 2, 2, 2, 2, 2, 0, 3, 3, 3, 2, 0, 0, 2, 0, 3, 2, 2, 2, 2, 0, 0, 2, 0, 0, 2, 2, 2, 2, 3, 2, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 2, 3, 2, 2, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 2, 3, 2, 0, 3, 3, 0, 2, 0, 2, 0, 0, 2, 3, 3, 3, 0, 3, 2, 0, 0, 2, 0, 0, 0, 3, 2, 2, 3, 2, 2, 0, 2, 2, 0, 0, 0, 2, 3, 3, 3, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 0, 2, 0, 2, 2, 0, 0, 2, 1, 2, 0, 0, 0, 0, 2, 2, 3, 2, 1, 2, 0, 0, 2, 0, 3, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 2, 2, 2}; AdjustedRandIndex instance = new AdjustedRandIndex(); double expResult = 0.9262; double result = instance.measure(clusters, alt); assertEquals(expResult, result, 1E-4); }
@Override public double measure(int[] y1, int[] y2) { return of(y1, y2); }
AdjustedRandIndex implements ClusterMeasure { @Override public double measure(int[] y1, int[] y2) { return of(y1, y2); } }
AdjustedRandIndex implements ClusterMeasure { @Override public double measure(int[] y1, int[] y2) { return of(y1, y2); }  }
AdjustedRandIndex implements ClusterMeasure { @Override public double measure(int[] y1, int[] y2) { return of(y1, y2); }  @Override double measure(int[] y1, int[] y2); static double of(int[] y1, int[] y2); @Override String toString(); }
AdjustedRandIndex implements ClusterMeasure { @Override public double measure(int[] y1, int[] y2) { return of(y1, y2); }  @Override double measure(int[] y1, int[] y2); static double of(int[] y1, int[] y2); @Override String toString(); final static AdjustedRandIndex instance; }