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Mastering Azure Machine Learning

Mastering Azure Machine Learning

By : Körner, Alsdorf
4.5 (15)
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Mastering Azure Machine Learning

Mastering Azure Machine Learning

4.5 (15)
By: Körner, Alsdorf

Overview of this book

Azure Machine Learning is a cloud service for accelerating and managing the machine learning (ML) project life cycle that ML professionals, data scientists, and engineers can use in their day-to-day workflows. This book covers the end-to-end ML process using Microsoft Azure Machine Learning, including data preparation, performing and logging ML training runs, designing training and deployment pipelines, and managing these pipelines via MLOps. The first section shows you how to set up an Azure Machine Learning workspace; ingest and version datasets; as well as preprocess, label, and enrich these datasets for training. In the next two sections, you'll discover how to enrich and train ML models for embedding, classification, and regression. You'll explore advanced NLP techniques, traditional ML models such as boosted trees, modern deep neural networks, recommendation systems, reinforcement learning, and complex distributed ML training techniques - all using Azure Machine Learning. The last section will teach you how to deploy the trained models as a batch pipeline or real-time scoring service using Docker, Azure Machine Learning clusters, Azure Kubernetes Services, and alternative deployment targets. By the end of this book, you’ll be able to combine all the steps you’ve learned by building an MLOps pipeline.
Table of Contents (23 chapters)
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1
Section 1: Introduction to Azure Machine Learning
5
Section 2: Data Ingestion, Preparation, Feature Engineering, and Pipelining
11
Section 3: The Training and Optimization of Machine Learning Models
17
Section 4: Machine Learning Model Deployment and Operations

Building a simple bag-of-words model

In this section, we will look at a surprisingly simple concept to tackle the shortcomings of label encoding for textual data using a technique called bag-of-words, which will build a foundation for a simple NLP pipeline. Don't worry if these techniques look too simple when you read through them; we will gradually build on top of them with tweaks, optimizations, and improvements to build a modern NLP pipeline.

A naïve bag-of-words model using counting

In this section, the main concept that we will build is the bag-of-words model. It is a very simple concept; that is, it involves modeling any document as a collection of words that appear in a given document with the frequency of each word. Hence, we throw away sentence structure, word order, punctuation marks, and more and reduce the documents to a raw count of words. Following this, we can vectorize this word count into a numeric vector representation, which can then be used for ML...

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