Post date: Sep 17, 2014 2:55:45 PM
How can I obtain the element-wise logical NOT of a pandas Series?
To invert a boolean Series, use ~s:
In [7]: s = pd.Series([True, True, False, True])  In [8]: ~s Out[8]:  0    False 1    False 2     True 3    False dtype: boolfrom Stackoverflow.