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Mastering Azure Machine Learning

Mastering Azure Machine Learning

By : Christoph Körner, Kaijisse Waaijer
4.3 (6)
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Mastering Azure Machine Learning

Mastering Azure Machine Learning

4.3 (6)
By: Christoph Körner, Kaijisse Waaijer

Overview of this book

The increase being seen in data volume today requires distributed systems, powerful algorithms, and scalable cloud infrastructure to compute insights and train and deploy machine learning (ML) models. This book will help you improve your knowledge of building ML models using Azure and end-to-end ML pipelines on the cloud. The book starts with an overview of an end-to-end ML project and a guide on how to choose the right Azure service for different ML tasks. It then focuses on Azure Machine Learning and takes you through the process of data experimentation, data preparation, and feature engineering using Azure Machine Learning and Python. You'll learn advanced feature extraction techniques using natural language processing (NLP), classical ML techniques, and the secrets of both a great recommendation engine and a performant computer vision model using deep learning methods. You'll also explore how to train, optimize, and tune models using Azure Automated Machine Learning and HyperDrive, and perform distributed training on Azure. Then, you'll learn different deployment and monitoring techniques using Azure Kubernetes Services with Azure Machine Learning, along with the basics of MLOps—DevOps for ML to automate your ML process as CI/CD pipeline. By the end of this book, you'll have mastered Azure Machine Learning and be able to confidently design, build and operate scalable ML pipelines in Azure.
Table of Contents (20 chapters)
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1
Section 1: Azure Machine Learning
4
Section 2: Experimentation and Data Preparation
9
Section 3: Training Machine Learning Models
15
Section 4: Optimization and Deployment of Machine Learning Models
19
Index

Optimization techniques

If we have trained a simple ensemble model that performs reasonably better than the baseline model and achieves acceptable performance according to the expected performance estimated during data preparation, we can progress with optimization. This is a point we really want to emphasize. It's strongly discouraged to begin model optimization and stacking when a simple ensemble technique fails to deliver useful results. If this is the case, it would be much better to take a step back and dive deeper into data analysis and feature engineering.

Common ML optimization techniques, such as hyperparameter optimization, model stacking, and even automated machine learning, help you get the last 10% of performance boost out of your model while the remaining 90% is achieved by a single ensemble model. If you decide to use any of those optimization techniques, it is advised to perform them in parallel and fully automated on a distributed cluster.

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