NLP, Python, Scikit Learn.
parameter tweaking, I finally arrived at the following representation: model = OPTICS(min_samples=5, metric='minkowski').fit(np.array(x_train_3d)) print(model.get_params()) # {'algorithm': 'auto', 'cluster_method': 'xi', 'eps': None, 'leaf_size': 30, 'max_eps': inf, 'memory': None, 'metric':