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Data-Centric Machine Learning with Python

Data-Centric Machine Learning with Python

By : Jonas Christensen, Nakul Bajaj, Manmohan Gosada
4.6 (5)
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Data-Centric Machine Learning with Python

Data-Centric Machine Learning with Python

4.6 (5)
By: Jonas Christensen, Nakul Bajaj, Manmohan Gosada

Overview of this book

In the rapidly advancing data-driven world where data quality is pivotal to the success of machine learning and artificial intelligence projects, this critically timed guide provides a rare, end-to-end overview of data-centric machine learning (DCML), along with hands-on applications of technical and non-technical approaches to generating deeper and more accurate datasets. This book will help you understand what data-centric ML/AI is and how it can help you to realize the potential of ‘small data’. Delving into the building blocks of data-centric ML/AI, you’ll explore the human aspects of data labeling, tackle ambiguity in labeling, and understand the role of synthetic data. From strategies to improve data collection to techniques for refining and augmenting datasets, you’ll learn everything you need to elevate your data-centric practices. Through applied examples and insights for overcoming challenges, you’ll get a roadmap for implementing data-centric ML/AI in diverse applications in Python. By the end of this book, you’ll have developed a profound understanding of data-centric ML/AI and the proficiency to seamlessly integrate common data-centric approaches in the model development lifecycle to unlock the full potential of your machine learning projects by prioritizing data quality and reliability.
Table of Contents (17 chapters)
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1
Part 1: What Data-Centric Machine Learning Is and Why We Need It
4
Part 2: The Building Blocks of Data-Centric ML
7
Part 3: Technical Approaches to Better Data
10
Chapter 7: Using Synthetic Data in Data-Centric Machine Learning
13
Part 4: Getting Started with Data-Centric ML

Weak supervision

Weak supervision is a labeling technique in machine learning that leverages imperfect or noisy sources of supervision to assign labels to data instances. Unlike traditional labeling methods that rely on manually annotated data, weak supervision allows for a more scalable and automated approach to labeling. It refers to the use of heuristics, rules, or probabilistic methods to generate approximate labels for data instances.

Rather than relying on a single authoritative source of supervision, weak supervision harnesses multiple sources that may introduce noise or inconsistency. The objective is to generate labels that are “weakly” indicative of the true underlying labels, enabling model training in scenarios where obtaining fully labeled data is challenging or expensive.

For instance, consider a task where we want to build a machine learning model to identify whether an email is spam or not. Ideally, we would have a large dataset of emails that are...

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