Python Polars: The Definitive Guide

Transforming, Analyzing, and Visualizing Data with a Fast and Expressive DataFrame API

By: Jeroen Janssens, Thijs Nieuwdorp

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eText | 20 February 2025 | Edition Number 1

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Unlock the power of Polars, a Python package for transforming, analyzing, and visualizing data. In this hands-on guide, Jeroen Janssens and Thijs Nieuwdorp walk you through every feature of Polars, showing you how to use it for real-world tasks like data wrangling, exploratory data analysis, building pipelines, and more.

Whether you're a seasoned data professional or new to data science, you'll quickly master Polars' expressive API and its underlying concepts. You don't need to have experience with pandas, but if you do, this book will help you make a seamless transition. The many practical examples and real-world datasets are available on GitHub, so you can easily follow along.