Cleanup

        # Create an empty metadata dataframe to be filled at a later time

        basename = "metadata"

        df_file = "metadata.joblib"

        ################################# DEBUG

        #out_X = os.path.join(data_dir, "%s-X.joblib" % basename)

        #out_X_transformed = os.path.join(data_dir, "%s-X-transformed.joblib" % basename)

        #out_X_sums = os.path.join(data_dir, "%s-X_sums.joblib" % basename)

        #out_X_sum_squares = os.path.join(data_dir, "%s-X_sum_squares.joblib" % basename)

        #out_X_n = os.path.join(data_dir, "%s-X_n.joblib" % basename)

        #out_y = os.path.join(data_dir, "%s-y.joblib" % basename)

        #out_y_transformed = os.path.join(data_dir, "%s-y-transformed.joblib" % basename)

        #out_y_sums = os.path.join(data_dir, "%s-y_sums.joblib" % basename)

        #out_y_sum_squares = os.path.join(data_dir, "%s-y_sum_squares.joblib" % basename)

        #out_y_n = os.path.join(data_dir, "%s-y_n.joblib" % basename)

        #out_w = os.path.join(data_dir, "%s-w.joblib" % basename)

        #out_w_transformed = os.path.join(data_dir, "%s-w-transformed.joblib" % basename)

        #out_ids = os.path.join(data_dir, "%s-ids.joblib" % basename)

        ################################# DEBUG

        out_X = "%s-X.joblib" % basename

        out_X_transformed = "%s-X-transformed.joblib" % basename

        out_X_sums = "%s-X_sums.joblib" % basename