Title: Lower Case Column Names In Pandas Dataframe
Slug: pandas_lowercase_column_names
Summary: Lower Case Column Names In Pandas Dataframe
Date: 2016-05-01 12:00
Category: Python
Tags: Data Wrangling
Authors: Chris Albon
In [1]:
# Import modules
import pandas as pd
# Set ipython's max row display
pd.set_option('display.max_row', 1000)
# Set iPython's max column width to 50
pd.set_option('display.max_columns', 50)
In [2]:
# Create an example dataframe
data = {'NAME': ['Jason', 'Molly', 'Tina', 'Jake', 'Amy'],
'YEAR': [2012, 2012, 2013, 2014, 2014],
'REPORTS': [4, 24, 31, 2, 3]}
df = pd.DataFrame(data, index = ['Cochice', 'Pima', 'Santa Cruz', 'Maricopa', 'Yuma'])
df
Out[2]:
In [3]:
# Map the lowering function to all column names
df.columns = map(str.lower, df.columns)
In [4]:
df
Out[4]: