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Machine Learning with Scala Quick Start Guide

You're reading from   Machine Learning with Scala Quick Start Guide Leverage popular machine learning algorithms and techniques and implement them in Scala

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789345070
Length 220 pages
Edition 1st Edition
Languages
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Authors (2):
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Md. Rezaul Karim Md. Rezaul Karim
Author Profile Icon Md. Rezaul Karim
Md. Rezaul Karim
Ajay Kumar N Ajay Kumar N
Author Profile Icon Ajay Kumar N
Ajay Kumar N
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Table of Contents (9) Chapters Close

Preface 1. Introduction to Machine Learning with Scala 2. Scala for Regression Analysis FREE CHAPTER 3. Scala for Learning Classification 4. Scala for Tree-Based Ensemble Techniques 5. Scala for Dimensionality Reduction and Clustering 6. Scala for Recommender System 7. Introduction to Deep Learning with Scala 8. Other Books You May Enjoy

Scala for Tree-Based Ensemble Techniques

In the previous chapter, we solved both classification and regression problems using linear models. We also used logistic regression, support vector machine, and Naive Bayes. However, in both cases, we haven't experienced good accuracy because our models showed low confidence.

On the other hand, tree-based and tree ensemble classifiers are really useful, robust, and widely used for both classification and regression tasks. This chapter will provide a quick glimpse at developing these classifiers and regressors using tree-based and ensemble techniques, such as decision trees (DTs), random forests (RF), and gradient boosted trees (GBT), for both classification and regression. More specifically, we will revisit and solve both the regression (from Chapter 2, Scala for Regression Analysis) and classification (from Chapter 3, Scala for Learning...

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