Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Users\simon\OneDrive\code\pandas-simonjayhawkins\pandas\core\frame.py", line 4575, in dropna axis = self._get_axis_number(axis) File "C:\Users\simon\OneDrive\code\pandas-simonjayhawkins\pandas\core\generic.py", line 361, in _get_axis_number .format(axis, type(cls))) ValueError: No axis named 3 for object type <class 'type'>

--------------------------------------------------------------------------- ValueError Traceback (most recent call last) <ipython-input-2-5ab8608d1d61> in <module> 2 from pandas import DataFrame 3 df = DataFrame(np.random.randn(6, 4)) ----> 4 df.dropna(axis=3) ~\Anaconda3\lib\site-packages\pandas\core\frame.py in dropna(self, axis, how, thresh, subset, inplace) 4274 axis=ax) 4275 else: -> 4276 axis = self._get_axis_number(axis) 4277 agg_axis = 1 - axis 4278 ~\Anaconda3\lib\site-packages\pandas\core\generic.py in _get_axis_number(self, axis) 373 pass 374 raise ValueError('No axis named {0} for object type {1}' --> 375 .format(axis, type(self))) 376 377 def _get_axis_name(self, axis): ValueError: No axis named 3 for object type <class 'pandas.core.frame.DataFrame'>