Работа с pandas dataframe (имена колонок)

 In [72]:
 
data.info()
<class 'pandas.core.frame.DataFrame'>
Int64Index: 1021968 entries, 0 to 1021967
Data columns (total 6 columns):
   id                    1021968 non-null object
 user_id                 1021966 non-null float64
 venue_id                1021966 non-null float64
     latitude            1021966 non-null object
     longitude           1021966 non-null object
     created_at          1021966 non-null object
dtypes: float64(2), object(4)
memory usage: 54.6+ MB

In [75]:
 
data.info()
<class 'pandas.core.frame.DataFrame'>
Int64Index: 1021968 entries, 0 to 1021967
Data columns (total 6 columns):
id                  1021968 non-null object
user_id             1021966 non-null float64
venue_id            1021966 non-null float64
latitude            396634 non-null float64
longitude           396634 non-null float64
created_at          1021966 non-null object
dtypes: float64(4), object(2)
memory usage: 54.6+ MB
In [87]:
 
data.created_at = data.created_at.apply(pd.to_datetime)
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-87-27184e58afb6> in <module>()
----> 1 data.created_at = data.created_at.apply(pd.to_datetime)
 
/usr/local/lib/python2.7/site-packages/pandas/core/generic.pyc in __getattr__(self, name)
   2358                 return self[name]
   2359             raise AttributeError("'%s' object has no attribute '%s'" %
-> 2360                                  (type(self).__name__, name))
   2361 
   2362     def __setattr__(self, name, value):
 
AttributeError: 'DataFrame' object has no attribute 'created_at'

data.columns = ['name1', 'name2' ]