dataframe_to_n_dimensional_sparse_array# caf.toolkit.pandas_utils.numpy_conversions.dataframe_to_n_dimensional_sparse_array(df, dimension_cols, value_col, *, sparse_value_maps=None, warning_action='default', fill_value=0)[source]# Convert a pandas.DataFrame to a sparse.COO matrix. Parameters: df (pd.DataFrame) dimension_cols (dict[Any, list[Any]]) value_col (Any) sparse_value_maps (Optional[dict[Any, dict[Any, int]]]) warning_action (WarningActionKind) fill_value (np.number | int | float) Return type: tuple[sparse.COO, dict[Any, dict[Any, int]]]