Curso
Introduction to Polars
BásicoNível de habilidade
Atualizado 05/2026
PythonData Manipulation3 h12 vídeos42 Exercícios3,600 XP4,596Declaração de realização
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Discover Efficient Data Manipulation with Polars
Polars is a powerful, general-purpose package for working with tabular data in Python. Designed for speed and efficiency, Polars is a great choice for everything from quick data exploration to detailed analytics. In this course, you'll learn the fundamentals of using Polars to work with your data.Load, Explore, and Clean Your Data
You'll start by learning how to import CSV files into Polars DataFrames, summarize their contents, and select the data that matters most. Next, you’ll discover how to clean your dataset by finding and removing missing or duplicated data.Analyze and Visualize Your Data Efficiently
Then you'll tackle more detailed data analysis as you split your data into groups and calculate statistics for each group. You’ll also practice transforming columns with Polars expressions, and see how Polars makes it easy to transform multiple columns at once. Visualization is crucial for getting insight from your data and communicating these insights to others. By the end of the course you'll be able to create clear visualizations to present insights.Optimize with Polars Lazy Execution
A powerful feature of Polars is that it can optimize your code to boost performance. You'll learn how to enable optimization and understand how these optimizations work. With your experience from this course, you’ll be ready to use Polars for a wide range of real-world data tasks and uncover valuable insights.Pré-requisitos
Intermediate Python1
Creating DataFrames and Selecting Data
In this chapter, you'll learn how to create a DataFrame from a CSV, how to inspect a DataFrame, how to select subsets of rows and columns and how to sort and summarize a DataFrame.
2
Transforming Data with Expressions
Next up, you'll learn how to transform data with expressions, how to add or update columns in a DataFrame, how to work with multiple columns and get an introduction to lazy mode and query optimization.
3
Analyzing Data
In the final chapter, you'll learn how to filter a DataFrame to get a subset of rows, how to handle missing or duplicated values, grouping by one or more columns and converting a DataFrame between long and wide formats.
Introduction to Polars
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