pandas.Panel4D.apply¶
- Panel4D.apply(func, axis='major', **kwargs)¶
Applies function along input axis of the Panel
Parameters : func : function
Function to apply to each combination of ‘other’ axes e.g. if axis = ‘items’, then the combination of major_axis/minor_axis will be passed a Series
axis : {‘major’, ‘minor’, ‘items’}
Additional keyword arguments will be passed as keywords to the function
Returns : result : Pandas Object
Examples
>>> p.apply(numpy.sqrt) # returns a Panel >>> p.apply(lambda x: x.sum(), axis=0) # equiv to p.sum(0) >>> p.apply(lambda x: x.sum(), axis=1) # equiv to p.sum(1) >>> p.apply(lambda x: x.sum(), axis=2) # equiv to p.sum(2)