def test_optimize(self): link = ClusterLinkage(self.user_ink_data) link.optimize_cluster_num(self.label_ink_pairs) clustered_data = link.clustered_data() cdtw = ClassifierDTW() cdtw.train(clustered_data) accuracy,_,_ = cdtw.test(self.label_ink_pairs) self.assertGreater(accuracy, 92.0)