DataFrame.
ndim
Return an int representing the number of axes / array dimensions.
Return 1 if Series. Otherwise return 2 if DataFrame.
See also
ndarray.ndim
Number of array dimensions.
Examples
>>> s = pd.Series({'a': 1, 'b': 2, 'c': 3}) >>> s.ndim 1
>>> df = pd.DataFrame({'col1': [1, 2], 'col2': [3, 4]}) >>> df.ndim 2