Book Image

Practical Automated Machine Learning Using H2O.ai

By : Salil Ajgaonkar
Book Image

Practical Automated Machine Learning Using H2O.ai

By: Salil Ajgaonkar

Overview of this book

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.
Table of Contents (19 chapters)
1
Part 1 H2O AutoML Basics
4
Part 2 H2O AutoML Deep Dive
10
Part 3 H2O AutoML Advanced Implementation and Productization

Understanding what is Deep Learning

Deep Learning (DL) is a branch of ML that develops prediction models using Artificial Neural Networks (ANNs). ANNs, simply called Neural Networks (NNs), are computations that are loosely based on how human brains with neurons work to process information. ANNs consist of neurons, which are types of nodes that are interconnected with other neurons. These neurons transmit information among themselves; this gets processed down the NN to eventually arrive at a result.

DL is one of the most powerful ML techniques and is used to train models that are highly configurable and can support predictions for large and complicated datasets. DL models can be supervised, semi-supervised, or unsupervised, depending on their configuration.

There are various types of ANNs:

  • Recurrent Neural Network (RNN): RNN is a type of NN where the connections between the various neurons of the NN can form a directed or undirected graph. This type of network is cyclic...