WineDataset extends MapBackedDataset<Integer, ListDataset<double[]>, double[]> { public WineDataset(Integer... clusters) { this(true, clusters); } WineDataset(Integer... clusters);  WineDataset(boolean normalise, Integer... clusters);   }
@Test public void testwinedataset() { WineDataset ds = new WineDataset(); assertTrue(ds.numInstances() == 178); assertTrue(ds.size() == 3); }