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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

Summary

In this chapter, we gained a good understanding of the six key dimensions of data quality and why it’s important to improve data quality for superior model performance. We further dived into the data-centric approach of improving model performance by iterating over the data, rather than iterating over various algorithms (model-centric approach), by improving the overall health of the data.

Next, we learned how to ensure data is consistent, unique, accurate, valid, fresh, and complete. We dived into various techniques of imputing missing values and when to apply which approach. We concluded that imputing missing values with machine learning can be better than using simple imputation methods, especially when data is MAR or MNAR. We also showed how to conduct error analysis and how to use the results to further improve model performance by either performing feature engineering, which involves building new features, or increasing the data size by creating synthetic data...

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