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Practical Automated Machine Learning Using H2O.ai
Practical Automated Machine Learning Using H2O.ai

Practical Automated Machine Learning Using H2O.ai: Discover the power of automated machine learning, from experimentation through to deployment to production

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Practical Automated Machine Learning Using H2O.ai

Understanding H2O AutoML Basics

Machine Learning (ML) is the process of building analytical or statistical models using computer systems that learn from historical data and identify patterns in them. These systems then use these patterns and try to make predictive decisions that can provide value to businesses and research alike. However, the sophisticated mathematical knowledge required to implement an ML system that can provide any concrete value has discouraged several people from experimenting with it, leaving tons of undiscovered potential that they could have benefited from.

Automated Machine Learning (AutoML) is one of the latest ML technologies that has accelerated the adoption of ML by organizations of all sizes. It is the process of automating all these complex tasks involved in the ML life cycle. AutoML hides away all these complexities and automates them behind the scenes. This allows anyone to easily implement ML without any hassle and focus more on the results.

In this chapter, we will learn about one such AutoML technology by H2O.ai (https://www.h2o.ai/), which is simply named H2O AutoML. We will provide a brief history of AutoML in general and what problems it solves, as well as a bit about H2O.ai and its H2O AutoML technology. Then, we will code a simple ML implementation using H2O’s AutoML technology and build our first ML model.

By the end of this chapter, you will understand what exactly AutoML is, the company H2O.ai, and its technology H2O AutoML. You will also understand what minimum requirements are needed to use H2O AutoML, as well as how easy it is to train your very first ML model using H2O AutoML without having to understand any complex mathematical rocket science.

In this chapter, we are going to cover the following topics:

  • Understanding AutoML and H2O AutoML
  • Minimum system requirements to use H2O AutoML
  • Installing Java
  • Basic implementation of H2O using Python
  • Basic implementation of H2O using R
  • Training your first ML model using H2O AutoML

Technical requirements

For this chapter, you will need the following:

  • A decent web browser (Chrome, Firefox, or Edge), the latest version of your preferred web browser.
  • An Integrated Development Environment (IDE) of your choice
  • Jupyter Notebook by Project Jupyter (https://jupyter.org/) (optional)

All the code examples for this chapter can be found on GitHub at https://github.com/PacktPublishing/Practical-Automated-Machine-Learning-on-H2O/tree/main/Chapter%201.

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Key benefits

  • Learn how to train the best models with a single click using H2O AutoML
  • Get a simple explanation of model performance using H2O Explainability
  • Easily deploy your trained models to production using H2O MOJO and POJO

Description

With the huge amount of data being generated over the internet and the benefits that Machine Learning (ML) predictions bring to businesses, ML implementation has become a low-hanging fruit that everyone is striving for. The complex mathematics behind it, however, can be discouraging for a lot of users. This is where H2O comes in – it automates various repetitive steps, and this encapsulation helps developers focus on results rather than handling complexities. You’ll begin by understanding how H2O’s AutoML simplifies the implementation of ML by providing a simple, easy-to-use interface to train and use ML models. Next, you’ll see how AutoML automates the entire process of training multiple models, optimizing their hyperparameters, as well as explaining their performance. As you advance, you’ll find out how to leverage a Plain Old Java Object (POJO) and Model Object, Optimized (MOJO) to deploy your models to production. Throughout this book, you’ll take a hands-on approach to implementation using H2O that’ll enable you to set up your ML systems in no time. By the end of this H2O book, you’ll be able to train and use your ML models using H2O AutoML, right from experimentation all the way to production without a single need to understand complex statistics or data science.

Who is this book for?

This book is for engineers and data scientists who want to quickly adopt machine learning into their products without worrying about the internal intricacies of training ML models. If you're someone who wants to incorporate machine learning into your software system but don’t know where to start or don’t have much expertise in the domain of ML, then you’ll find this book useful. Basic knowledge of statistics and programming is beneficial. Some understanding of ML and Python will be helpful.

What you will learn

  • Get to grips with H2O AutoML and learn how to use it
  • Explore the H2O Flow Web UI
  • Understand how H2O AutoML trains the best models and automates hyperparameter optimization
  • Find out how H2O Explainability helps understand model performance
  • Explore H2O integration with scikit-learn, the Spring Framework, and Apache Storm
  • Discover how to use H2O with Spark using H2O Sparkling Water
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Publication date : Sep 26, 2022
Length: 396 pages
Edition : 1st
Language : English
ISBN-13 : 9781801074520
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Length: 396 pages
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Table of Contents

18 Chapters
Part 1 H2O AutoML Basics Chevron down icon Chevron up icon
Chapter 1: Understanding H2O AutoML Basics Chevron down icon Chevron up icon
Chapter 2: Working with H2O Flow (H2O’s Web UI) Chevron down icon Chevron up icon
Part 2 H2O AutoML Deep Dive Chevron down icon Chevron up icon
Chapter 3: Understanding Data Processing Chevron down icon Chevron up icon
Chapter 4: Understanding H2O AutoML Architecture and Training Chevron down icon Chevron up icon
Chapter 5: Understanding AutoML Algorithms Chevron down icon Chevron up icon
Chapter 6: Understanding H2O AutoML Leaderboard and Other Performance Metrics Chevron down icon Chevron up icon
Chapter 7: Working with Model Explainability Chevron down icon Chevron up icon
Part 3 H2O AutoML Advanced Implementation and Productization Chevron down icon Chevron up icon
Chapter 8: Exploring Optional Parameters for H2O AutoML Chevron down icon Chevron up icon
Chapter 9: Exploring Miscellaneous Features in H2O AutoML Chevron down icon Chevron up icon
Chapter 10: Working with Plain Old Java Objects (POJOs) Chevron down icon Chevron up icon
Chapter 11: Working with Model Object, Optimized (MOJO) Chevron down icon Chevron up icon
Chapter 12: Working with H2O AutoML and Apache Spark Chevron down icon Chevron up icon
Chapter 13: Using H2O AutoML with Other Technologies Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.6
(5 Ratings)
5 star 80%
4 star 0%
3 star 20%
2 star 0%
1 star 0%
Ajinkya Redkar Nov 06, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Good and informative product
Amazon Verified review Amazon
Daniel Armstrong May 21, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I really enjoyed this book It covers both the R and Python implementation (I lived seeing the differences).H2O and autoML in general is something I have most stayed away from, but I don't know why since the first DS tool I learned was spss modeler. After reading this book H2O is something I will definitely try in the future. I am not sure why more people don't use it, especially when starting out in DS. I can definitely see how the user interface could help people set up there project, it has database connections(SQL, hdfs, etc), nice feature visualizations, and data manipulations tools.The author did a nice job covering the wide array of models the H2O provides, as well as a detailed explanation of different performance metrics, and model explainability and feature importance, which includes some really nice visualizations.I am very intrigued by what I read in the productionization chapter. I think that productionization is far too often overlooked, and it is one of the best reasons to use H2O over other tools, especially if you use spark at your organization.I think beginners will get the most out of this book, but I think it can help a wider audience. I am not going to trade my pandas dfs for H2O dataframes but I think there is room for them to work together. I hope the author add a chapter or two to the work that H2O is doing in the NLP with LLMsOverall it was a great book and I am happy to have it on my shelfBest,Daniel Armstrong
Amazon Verified review Amazon
Alexander Souza Oct 27, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
An incredible book for anyone starting in the AI world. The content is very clear and with several examples that make it much easier to understand.100% recommend
Amazon Verified review Amazon
Gemmy Dec 25, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Good content. Well thought-out examples. Provides a great way to understand and deploy your AI model without the mathematical complexities that goes along with it.
Amazon Verified review Amazon
Dietmar Baur Nov 07, 2022
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3
I already had access to the electronic version via Safari’s onlinebookshelf, but liked the content so much that I wanted to have a printed copy, for increased readability. The book finally arrived (a couple of days late) and I was disappointed by the tiny font size used. I‘m 48, wearing glasses - it’s really hard to read. If the reading experience of printed books is so bad, no wonder eBooks will replace them. Make reading tech books a real experience again, with bigger fonts and an overall better feel, please!!
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