Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
The Unsupervised Learning Workshop

You're reading from   The Unsupervised Learning Workshop Get started with unsupervised learning algorithms and simplify your unorganized data to help make future predictions

Arrow left icon
Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781800200708
Length 550 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (3):
Arrow left icon
Benjamin Johnston Benjamin Johnston
Author Profile Icon Benjamin Johnston
Benjamin Johnston
Christopher Kruger Christopher Kruger
Author Profile Icon Christopher Kruger
Christopher Kruger
Aaron Jones Aaron Jones
Author Profile Icon Aaron Jones
Aaron Jones
Arrow right icon
View More author details
Toc

Table of Contents (11) Chapters Close

Preface
1. Introduction to Clustering 2. Hierarchical Clustering FREE CHAPTER 3. Neighborhood Approaches and DBSCAN 4. Dimensionality Reduction Techniques and PCA 5. Autoencoders 6. t-Distributed Stochastic Neighbor Embedding 7. Topic Modeling 8. Market Basket Analysis 9. Hotspot Analysis Appendix

Introduction to DBSCAN

In DBSCAN, density is evaluated as a combination of neighborhood radius and minimum points found in a neighborhood deemed a cluster. This concept can be driven home if we reconsider the scenario where you are tasked with organizing an unlabeled shipment of wine for your store. In the previous example, it was made clear that we can find similar wines based on their features, such as chemical traits. Knowing this information, we can more easily group together similar wines and efficiently have our products organized for sale in no time. In the real world, however, the products that you order to stock your store will reflect real-world purchase patterns. To promote variety in your inventory, but still have sufficient stock of the most popular wines, there is a highly uneven distribution of product types that you have available. Most people love the classic wines, such as white and red; however, you may still carry more exotic wines for your customers who love expensive...

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 $19.99/month. Cancel anytime
Banner background image