Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Python Data Science Essentials

You're reading from   Python Data Science Essentials Become an efficient data science practitioner by thoroughly understanding the key concepts of Python

Arrow left icon
Product type Paperback
Published in Apr 2015
Publisher Packt
ISBN-13 9781785280429
Length 258 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Toc

Selected graphical examples with pandas


Though many machine learning algorithms, with appropriately set hyper-parameters, can optimally learn how to map your data with respect to your target outcome, their performance can be further improved by knowing about hidden and subtle problems in data. It is not simply a matter of detecting any missing or outlying case. Sometimes, it is paramount to clarify whether there are any groups or unusual distributions in the data(for instance, multimodal distributions). Clear data plots that explicate the relationship between variables can also lead to the creation of newer and better features that can predict more than the existing ones.

The practice that was just described is called Explorative Data Analysis, which can be effective if it has the following characteristics:

  • It should be fast, allowing you to explore, develop new ideas and test them, and restart with a new exploration and fresh ideas.

  • It should be graphic in order to better represent data as...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime