Ensemble Machine Learning

An effective guide to using ensemble techniques to enhance machine learning models

Ensemble Machine Learning

Ankit Dixit

3 customer reviews
An effective guide to using ensemble techniques to enhance machine learning models
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Book Details

ISBN 139781788297752
Paperback438 pages

Book Description

Ensembling is a technique of combining two or more similar or dissimilar machine learning algorithms to create a model that delivers superior prediction power. This book will show you how you can use many weak algorithms to make a strong predictive model. This book contains Python code for different machine learning algorithms so that you can easily understand and implement it in your own systems.

This book covers different machine learning algorithms that are widely used in the practical world to make predictions and classifications. It addresses different aspects of a prediction framework, such as data pre-processing, model training, validation of the model, and more. You will gain knowledge of different machine learning aspects such as bagging (decision trees and random forests), Boosting (Ada-boost) and stacking (a combination of bagging and boosting algorithms).

Then you’ll learn how to implement them by building ensemble models using TensorFlow and Python libraries such as scikit-learn and NumPy. As machine learning touches almost every field of the digital world, you’ll see how these algorithms can be used in different applications such as computer vision, speech recognition, making recommendations, grouping and document classification, fitting regression on data, and more.

By the end of this book, you’ll understand how to combine machine learning algorithms to work behind the scenes and reduce challenges and common problems.

Table of Contents

What You Will Learn

  • Understand why bagging improves classification and regression performance
  • Get to grips with implementing AdaBoost and different variants of this algorithm
  • See the bootstrap method and its application to bagging
  • Perform regression on Boston housing data using scikit-learn and NumPy
  • Know how to use Random forest for IRIS data classification
  • Get to grips with the classification of sonar dataset using KNN, Perceptron, and Logistic Regression
  • Discover how to improve prediction accuracy by fine-tuning the model parameters
  • Master the analysis of a trained predictive model for over-fitting/under-fitting cases

Authors

Table of Contents

Book Details

ISBN 139781788297752
Paperback438 pages
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