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Python-Polars

13 posts

Polars - Reading JSON File | polars.read_json()

Last Updated: 23 July 2025

Polars is an exciting alternative to traditional data manipulation libraries like Pandas. It's built for high-performance data processing, particularly for handling large ...read more

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How to Read an Excel File using polars

Last Updated: 23 July 2025

The Polars is a fast, efficient DataFrame library in Python, designed for processing large datasets with low memory usage and high performance. While Polars is more common...read more

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How to Drop Row in Polars - Python

Last Updated: 23 July 2025

Polars is a fast and efficient DataFrame library designed for handling large datasets in Python. While Pandas is the go-to for many, Polars is gaining traction due to its ...read more

How to Create a Decile Column in Python Polars

Last Updated: 23 July 2025

In this tutorial, we'll learn how to create a decile column using Python's Polars library. Deciles are a common way to divide data into ten equal parts, each containing 10...read more

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How to Convert Time Durations to Numeric (Hours, Minutes, and Seconds) in Polars

Last Updated: 23 July 2025

Working with time durations in data analysis can be tricky, especially when these durations are represented in various formats like HH:MM:SS or other string representation...read more

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How to Convert String to Date or Datetime in Polars

Last Updated: 23 July 2025

When working with data, particularly in CSV files or databases, it's common to find dates stored as strings. If we're using Polars, a fast and efficient DataFrame library ...read more

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How to Add a Column with Numerical Value in Polars

Last Updated: 23 July 2025

Polars is a high-performance DataFrame library written in Rust with Python bindings that offers a fast and efficient way to handle large datasets. In this article, we'll d...read more

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Mapping a Python Dict to a Polars Series

Last Updated: 23 July 2025

Polars is an efficient DataFrame library that excels in performance, especially when working with large datasets. While manipulating data, you might encounter situations w...read more

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Add New Columns to Polars DataFrame

Last Updated: 23 July 2025

Polars is a fast DataFrame library implemented in Rust and designed to process large datasets efficiently. It is gaining popularity as an alternative to pandas, especially...read more

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How to Add a Column to a Polars DataFrame Using .with_columns()

Last Updated: 23 July 2025

The .with_columns() method in Polars allows us to add one or more columns to a DataFrame. Unlike traditional methods that modify the DataFrame in place, .with_columns() re...read more

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Append or Concatenate Two DataFrames in Python Polars

Last Updated: 23 July 2025

Polars is a fast Data Frame library implemented in Rust, providing efficient ways to work with large datasets. Whether we need to append rows or concatenate columns, Polar...read more

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Python Polars Library Error in a Kaggle Notebook

Last Updated: 12 August 2024

The Polars library in Python, mainly used within Kaggle notebooks for efficient data processing. But encountering errors while using Polars can create some unnecessary pro...read more

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What is the Equivalent of DataFrame.drop_duplicates() from Pandas in Polars?

Last Updated: 23 July 2025

In data analysis, data manipulation is a critical task and sometimes involves removing duplicates from the data. Removing duplicate elements is crucial as it can affect th...read more

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