lower() Method | Teradata Package for Python - lower() Method - Teradata Package for Python

Teradata® Package for Python User Guide

Deployment
VantageCloud
VantageCore
Edition
Enterprise
IntelliFlex
VMware
Product
Teradata Package for Python
Release Number
20.00
Published
March 2024
Language
English (United States)
Last Update
2024-04-09
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Product Category
Teradata Vantage

Use the lower() method to map character values to lowercase.

Example Setup

>>> df = DataFrame('sales')
>>> df
              Feb   Jan   Mar   Apr    datetime
accounts                                      
Alpha Co    210.0   200   215   250  04/01/2017
Red Inc     200.0   150   140  None  04/01/2017
Orange Inc  210.0  None  None   250  04/01/2017
Jones LLC   200.0   150   140   180  04/01/2017
Yellow Inc   90.0  None  None  None  04/01/2017
Blue Inc     90.0    50    95   101  04/01/2017

Example 1

>>> df.assign(drop_columns = True, lower = df.accounts.str.lower())
        lower
0    alpha co
1     red inc
2  orange inc
3   jones llc
4  yellow inc
5    blue inc

Example 2

>>> df[df.accounts.str.lower() == 'orange inc']
              Feb   Jan   Mar  Apr    datetime
accounts                                     
Orange Inc  210.0  None  None  250  04/01/2017