def _save_results(self,
                      suffix: str,
                      info_path: str,
                      results: List[Dict],
                      k_values: List[List]):

        path = Tools.splice_save_problemsets_dictionaries(
                results,
                metadata_fpath=info_path,
                suffix=suffix,
                test_data=not train_phase)

        Tools.save_k_vals_as_df(k_vals=k_values, suffix=suffix,
                                test_data=not train_phase,
                                cop_kmeans_frac=constraints_fraction)

        return path
            # (comparing different runs of HDP on a problem set)
            seed=max(33, 70*(ps == 41)) + (3 * (ps in problematics)),
            infer_lss=False,
            verbose=False,
            configuration=config_neutral,
            drop_uncommon=True)
        problemsets_results.append(ps_result)
        ks = clu.cand_k.copy()
        ks.append(1+max(clu.true_labels))
        k_vals.append(ks)
    my_suffix = "_training_neutral_common"
    info_json = r"..\..\Datasets\pan17_train\info.json"
    Tools.splice_save_problemsets_dictionaries(problemsets_results,
                                               metadata_fpath=info_json,
                                               suffix=my_suffix)
    Tools.save_k_vals_as_df(k_vals=k_vals, suffix=my_suffix)

    print("==================== SPARSE ====================")
    problemsets_results = []
    k_vals = []
    for ps in range(1, 61):
        print(f"Executing on problem set ► {ps:03d} ◄ ..")
        ps_result, l, lss, plain, clu = problem_set_run(
            problem_set_id=ps,
            n_clusters=None,
            # Emperically specify a random seed that's compatible with
            # hyper sampling and certain problem sets due to a bug in HDP
            # as it seems. However, the seeds would be consistant across
            # runs and yield comparable results for our experiments
            # (comparing different runs of HDP on a problem set)
            seed=13712 * ps,