gistfile1.java

		final Set<Instance> instances = Sets.newHashSet();
		instances.add(Instance.create("sweat", "weight", 165, "height", 5, "sex", "male"));
		instances.add(Instance.create("nosweat", "weight", 121, "height", 4, "sex", "female"));
		instances.add(Instance.create("sweat", "weight", 172, "height", 7, "sex", "male"));
		instances.add(Instance.create("sweat", "weight", 138, "height", 4, "sex", "female"));
		instances.add(Instance.create("sweat", "weight", 152, "height", 5, "sex", "male"));
		instances.add(Instance.create("nosweat", "weight", 182, "height", 4, "sex", "female"));
		instances.add(Instance.create("nosweat", "weight", 151, "height", 5, "sex", "male"));
		instances.add(Instance.create("nosweat", "weight", 124, "height", 6, "sex", "female"));
		final TreeBuilder tb = new TreeBuilder();
		final Node tree = tb.buildTree(instances, 10, 1.0);
		System.out.println("Tree size: " + tree.size());
		tree.dump(System.out);

Output:

Tree size: 9
sex in [female]
  weight > 124.0
    weight > 138.0
      [output=nosweat, depth=0, probability=1.0]
    weight < 138.0
      [output=sweat, depth=0, probability=1.0]
  weight < 124.0
    [output=nosweat, depth=0, probability=1.0]
sex not in [female]
  weight > 151.0
    [output=sweat, depth=0, probability=1.0]
  weight < 151.0
    [output=nosweat, depth=0, probability=1.0]