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  • Book Overview & Buying The Unsupervised Learning Workshop
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The Unsupervised Learning Workshop

The Unsupervised Learning Workshop

By : Aaron Jones , Christopher Kruger , Benjamin Johnston, Richard Brooker, John Wesley Doyle , Priyanjit Ghosh, Sani Kamal, Ashish Pratik Patil , Philip Solomon, Geetank Raipuria
4.3 (6)
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The Unsupervised Learning Workshop

The Unsupervised Learning Workshop

4.3 (6)
By: Aaron Jones , Christopher Kruger , Benjamin Johnston, Richard Brooker, John Wesley Doyle , Priyanjit Ghosh, Sani Kamal, Ashish Pratik Patil , Philip Solomon, Geetank Raipuria

Overview of this book

Do you find it difficult to understand how popular companies like WhatsApp and Amazon find valuable insights from large amounts of unorganized data? The Unsupervised Learning Workshop will give you the confidence to deal with cluttered and unlabeled datasets, using unsupervised algorithms in an easy and interactive manner. The book starts by introducing the most popular clustering algorithms of unsupervised learning. You'll find out how hierarchical clustering differs from k-means, along with understanding how to apply DBSCAN to highly complex and noisy data. Moving ahead, you'll use autoencoders for efficient data encoding. As you progress, you’ll use t-SNE models to extract high-dimensional information into a lower dimension for better visualization, in addition to working with topic modeling for implementing natural language processing (NLP). In later chapters, you’ll find key relationships between customers and businesses using Market Basket Analysis, before going on to use Hotspot Analysis for estimating the population density of an area. By the end of this book, you’ll be equipped with the skills you need to apply unsupervised algorithms on cluttered datasets to find useful patterns and insights.
Table of Contents (11 chapters)
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Preface

6. t-Distributed Stochastic Neighbor Embedding

Overview

In this chapter, we will discuss Stochastic Neighbor Embedding (SNE) and t-Distributed Stochastic Neighbor Embedding (t-SNE) as a means of visualizing high-dimensional datasets. We will implement t-SNE models in scikit-learn and explain the limitations of t-SNE. Being able to extract high-dimensional information into lower dimensions will prove helpful for visualization and exploratory analysis, as well as being helpful in conjunction with the clustering algorithms we explored in prior chapters. By the end of this chapter, we will be able to find clusters in high-dimensional data, such as user-level information or images in a low-dimensional space.

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The Unsupervised Learning Workshop
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