Learn Data Analysis with Python: Lessons in Coding

© A.J. Henley and Dave Wolf 2018

A.J. Henley and Dave WolfLearn Data Analysis with Pythonhttps://doi.org/10.1007/978-1-4842-3486-0_3

3. Preparing Data Is Half the Battle

A. J. Henley¹  and Dave Wolf²

(1)

Washington, D.C., District of Columbia, USA

(2)

Sterling Business Advantage, LLC, Adamstown, Maryland, USA

 

The second step of data analysis is cleaning the data. Getting data ready for analytical tools can be a difficult task. Python and its libraries try to make it as easy as possible.

With just a few lines of code, you will be able to get your data ready for analysis. You will be able to

• clean the data;

• create new variables; and

• organize the data.

Cleaning Data

To be useful for most analytical tasks , data must be clean. This means it should be consistent, ...