Frame rename_columns¶

rename_columns(self, names)¶

Rename columns

Parameters:

Parameters:	names : dict Dictionary of old names to new names.

names : dict

Dictionary of old names to new names.

Examples

Start with a frame with columns Black and White.

>>> print my_frame.schema
[(u'Black', <type 'unicode'>), (u'White', <type 'unicode'>)]

Rename the columns to Mercury and Venus:

>>> my_frame.rename_columns({"Black": "Mercury", "White": "Venus"})

>>> print my_frame.schema
[(u'Mercury', <type 'unicode'>), (u'Venus', <type 'unicode'>)]