Book Image

Machine Learning Automation with TPOT

By : Dario Radečić
Book Image

Machine Learning Automation with TPOT

By: Dario Radečić

Overview of this book

The automation of machine learning tasks allows developers more time to focus on the usability and reactivity of the software powered by machine learning models. TPOT is a Python automated machine learning tool used for optimizing machine learning pipelines using genetic programming. Automating machine learning with TPOT enables individuals and companies to develop production-ready machine learning models cheaper and faster than with traditional methods. With this practical guide to AutoML, developers working with Python on machine learning tasks will be able to put their knowledge to work and become productive quickly. You'll adopt a hands-on approach to learning the implementation of AutoML and associated methodologies. Complete with step-by-step explanations of essential concepts, practical examples, and self-assessment questions, this book will show you how to build automated classification and regression models and compare their performance to custom-built models. As you advance, you'll also develop state-of-the-art models using only a couple of lines of code and see how those models outperform all of your previous models on the same datasets. By the end of this book, you'll have gained the confidence to implement AutoML techniques in your organization on a production level.
Table of Contents (14 chapters)
1
Section 1: Introducing Machine Learning and the Idea of Automation
3
Section 2: TPOT – Practical Classification and Regression
8
Section 3: Advanced Examples and Neural Networks in TPOT

Best practices for deploying automated models

The deployment of automated models is more or less identical to the deployment of your normal machine learning models. It boils down to training the model first and then saving the model in some format. In the case of normal machine learning models, you could easily save the model to a .model or .h5 file. There's no reason not to do the same with TPOT models.

If you remember from previous chapters, TPOT can export the best pipeline to a Python file so this pipeline can be used to train the model if it isn't trained already, and the model can be saved afterward. If the model is already trained, only the prediction is obtained.

The check for whether a model has been trained or not can be made by checking whether a file exists or not. If a model file exists, we can assume the model was trained, so we can load it and make a prediction. Otherwise, the model should be trained and saved first, and only then can the prediction be...