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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 FREE CHAPTER 2. Scala for Regression Analysis 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

Hyperparameter tuning and cross-validation

In machine learning, the term hyperparameter refers to those parameters that cannot be learned from the regular training process directly. These are the various knobs that you can tweak on your machine learning algorithms. Hyperparameters are usually decided by training the model with different combinations of the parameters and deciding which ones work best by testing them. Ultimately, the combination that provides the best model would be our final hyperparameters. Setting hyperparameters can have a significant influence on the performance of the trained models.

On the other hand, cross-validation is often used in conjunction with hyperparameter tuning. Cross-validation (also know as rotation estimation) is a model validation technique for assessing the quality of the statistical analysis and results. Cross-validation helps to describe...

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