In [1]:
import numpy as np
import pandas as pd
from pandas import Series, DataFrame
In [2]:
dframe = DataFrame(np.arange(12).reshape(3,4), index=['NY', 'LA', 'SF'], columns = list('ABCD'))
In [3]:
dframe
Out[3]:
In [4]:
dframe.index.map(str.lower)
Out[4]:
In [5]:
dframe.index = dframe.index.map(str.lower)
In [6]:
dframe.rename(index = str.title, columns = str.lower)
Out[6]:
In [7]:
dframe
Out[7]:
In [8]:
dframe.rename(index={'ny': 'NEW YORK'}, columns={'A': 'ALPHA'})
Out[8]:
In [10]:
dframe.rename(index={'ny': 'NEW YORK'}, columns={'A': 'ALPHA'}, inplace=True)
In [11]:
dframe
Out[11]:
In [ ]: