def rename_axis(self, mapper, axis=0, copy=True):
"""
Alter index and / or columns using input function or functions.
Function / dict values must be unique (1-to-1). Labels not contained in
a dict / Series will be left as-is.
Parameters
----------
mapper : dict-like or function, optional
axis : int, default 0
copy : boolean, default True
Also copy underlying data
See also
--------
DataFrame.rename
Returns
-------
renamed : type of caller
"""
# should move this at some point
from pandas.core.series import _get_rename_function
mapper_f = _get_rename_function(mapper)
axis = self._get_axis_number(axis)
if axis == 0:
new_data = self._data.rename_items(mapper_f, copydata=copy)
else:
new_data = self._data.rename_axis(mapper_f, axis=axis)
if copy:
new_data = new_data.copy()
return self._constructor(new_data)
def rename_axis(self, mapper, axis=0, copy=True):
"""
Alter index and / or columns using input function or functions.
Function / dict values must be unique (1-to-1). Labels not contained in
a dict / Series will be left as-is.
Parameters
----------
mapper : dict-like or function, optional
axis : int, default 0
copy : boolean, default True
Also copy underlying data
See also
--------
DataFrame.rename
Returns
-------
renamed : type of caller
"""
# should move this at some point
from pandas.core.series import _get_rename_function
mapper_f = _get_rename_function(mapper)
if axis == 0:
new_data = self._data.rename_items(mapper_f, copydata=copy)
else:
new_data = self._data.rename_axis(mapper_f, axis=axis)
if copy:
new_data = new_data.copy()
return self._constructor(new_data)