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Databases & Big Data - Feature Engineering for Machine Learning: Principles and Techniques for Data Scientists

Description

Book Synopsis: Feature engineering is a crucial step in the machine-learning pipeline, yet this topic is rarely examined on its own. With this practical book, you'll learn techniques for extracting and transforming features―the numeric representations of raw data―into formats for machine-learning models. Each chapter guides you through a single data problem, such as how to represent text or image data. Together, these examples illustrate the main principles of feature engineering. Rather than simply teach these principles, authors Alice Zheng and Amanda Casari focus on practical application with exercises throughout the book. The closing chapter brings everything together by tackling a real-world, structured dataset with several feature-engineering techniques. Python packages including numpy, Pandas, Scikit-learn, and Matplotlib are used in code examples. You'll examine: Feature engineering for numeric data: filtering, binning, scaling, log transforms, and power transforms Natural text techniques: bag-of-words, n-grams, and phrase detection Frequency-based filtering and feature scaling for eliminating uninformative features Encoding techniques of categorical variables, including feature hashing and bin-counting Model-based feature engineering with principal component analysis The concept of model stacking, using k-means as a featurization technique Image feature extraction with manual and deep-learning techniques Read more

Details

Are you a data scientist looking to take your machine learning skills to the next level? Introducing "Feature Engineering for Machine Learning: Principles and Techniques for Data Scientists" - the ultimate guide to mastering feature engineering. This practical book teaches you how to extract and transform numeric representations of raw data into formats that are perfect for machine-learning models. Don't waste your time on outdated techniques - learn the latest and most effective methods for feature engineering.

With "Feature Engineering for Machine Learning," you'll gain invaluable knowledge and skills that will set you apart from the competition. Each chapter focuses on a specific data problem and provides step-by-step guidance on how to tackle it. From representing text and image data to handling categorical variables, this book covers it all. And with exercises throughout, you'll have plenty of opportunities to practice and reinforce what you've learned.

Unlike other books on the subject, "Feature Engineering for Machine Learning" doesn't stop at theory. The authors, Alice Zheng and Amanda Casari, prioritize practical application, ensuring that you can immediately implement what you've learned. The closing chapter dives into a real-world dataset, demonstrating how to apply various feature-engineering techniques and showcasing their impact on model performance.

When it comes to coding examples, "Feature Engineering for Machine Learning" uses popular Python packages like numpy, Pandas, Scikit-learn, and Matplotlib. This means you'll be able to put your new knowledge into practice using tools that are widely used in the industry. Don't miss this opportunity to level up your feature engineering skills - get your copy of "Feature Engineering for Machine Learning: Principles and Techniques for Data Scientists" now.

Ready to transform your machine learning projects with cutting-edge feature engineering techniques? Don't delay - get your hands on "Feature Engineering for Machine Learning: Principles and Techniques for Data Scientists" today and unlock the secrets to building more accurate and powerful machine-learning models.

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