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Ensemble Machine Learning Cookbook

You're reading from  Ensemble Machine Learning Cookbook

Product type Book
Published in Jan 2019
Publisher Packt
ISBN-13 9781789136609
Pages 336 pages
Edition 1st Edition
Languages
Authors (2):
Dipayan Sarkar Dipayan Sarkar
Profile icon Dipayan Sarkar
Vijayalakshmi Natarajan Vijayalakshmi Natarajan
Profile icon Vijayalakshmi Natarajan
View More author details
Toc

Table of Contents (14) Chapters close

Preface 1. Get Closer to Your Data 2. Getting Started with Ensemble Machine Learning 3. Resampling Methods 4. Statistical and Machine Learning Algorithms 5. Bag the Models with Bagging 6. When in Doubt, Use Random Forests 7. Boosting Model Performance with Boosting 8. Blend It with Stacking 9. Homogeneous Ensembles Using Keras 10. Heterogeneous Ensemble Classifiers Using H2O 11. Heterogeneous Ensemble for Text Classification Using NLP 12. Homogenous Ensemble for Multiclass Classification Using Keras 13. Other Books You May Enjoy

An ensemble of homogeneous models to classify fashion products

In this example, we'll use the Fashion-MNIST dataset. This dataset has 60,000 images of fashion products from ten categories. The target variable can be classified into ten classes:

  • T-shirt/top
  • Trouser
  • Pullover
  • Dress
  • Coat
  • Sandal
  • Shirt
  • Sneakers
  • Bag
  • Ankle boot

Each image is a 28 x 28 grayscale image. We will proceed by reading the data to build a few homogeneous models over a few iterations to see whether the ensemble can deliver a higher accuracy.

Getting ready

We'll use Google Colab to train our models. Google Colab comes with TensorFlow installed, so we don't have to install it separately in our system.

We import the required libraries...

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