Machine Learning with Python Cookbook, 2nd Edition (Early Release)

Автор: literator от 23-09-2022, 13:05, Коментариев: 0


Machine Learning with Python Cookbook, 2nd Edition (Early Release)Название: Machine Learning with Python Cookbook: Practical Solutions from Preprocessing to Deep Learning, 2nd Edition (Early Release)
Автор: Kyle Gallatin, Chris Albon
Издательство: O’Reilly Media, Inc.
Год: 2022-08-24
Язык: английский
Формат: epub (true), mobi
Размер: 10.2 MB

This practical guide provides more than 200 self-contained recipes to help you solve machine learning challenges you may encounter in your work. If you're comfortable with Python and its libraries, including pandas and scikit-learn, you'll be able to address specific problems all the way from loading data to training models and leveraging neural networks.

Each recipe in this updated edition includes code that you can copy, paste, and run with a toy dataset to ensure it works. From there, you can adapt these recipes according to your use case or application. Recipes include a discussion that explains the solution and provides meaningful context. Go beyond theory and concepts by learning the nuts and bolts you need to construct working machine learning applications.

NumPy is a foundational tool of the Python machine learning stack. NumPy allows for efficient operations on the data structures often used in machine learning: vectors, matrices, and tensors. While NumPy is not the focus of this book, it will show up frequently throughout the following chapters. The Chapter 1 covers the most common NumPy operations we are likely to run into while working on machine learning workflows.

The first step in any Machine Learning endeavor is to get the raw data into our system. The raw data might be a logfile, dataset file, database, or cloud blob store such as Amazon S3. Furthermore, often we will want to retrieve data from multiple sources. The recipes in the Chapter 2 look at methods of loading data from a variety of sources, including CSV files and SQL databases. We also cover methods of generating simulated data with desirable properties for experimentation. Finally, while there are many ways to load data in the Python ecosystem, we will focus on using the Pandas library’s extensive set of methods for loading external data, and using Scikit-Learn - an open source machine learning library in Python - for generating simulated data.

You'll find recipes for:

Vectors, matrices, and arrays
Working with data from CSV, JSON, SQL, databases, cloud storage, and other sources
Handling numerical and categorical data, text, images, and dates and times
Dimensionality reduction using feature extraction or feature selection
Model evaluation and selection
Linear and logical regression, trees and forests, and k-nearest neighbors
Support vector machines (SVM), naive Bayes, clustering, and tree-based models
Saving and loading trained models from multiple frameworks

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