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# Inspecting a Polars query

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters A great feature of Polars is its query optimiser that c...

# Profiling a Polars query

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters You can’t optimise your code if you don’t know where th...

# ML pre-processing with Polars

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters I think we’ll see a nice ML pre-processing library deve...

# Data science 2025

I started using Polars and DuckDB in late 2021. It was immediately apparent to me that these libraries would soon be at the heart of the of data science ecosystem. Since then the popularity of the ...

# Polars 🤝 Matplotlib

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters Polars gets on well with matplotlib. To make a bar cha...

# Polars & Huggingface datasets

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters One consequence of the Apache Arrow era is that differe...

# Polars on a diet

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters Polars has a built in tool to go on a dtype diet. Call...

# Polars up and running

This post was created while writing my Up &amp; Running with Polars course. Check it out here with a free preview of the first chapters Sometimes the first step is the hardest, so I’ve made t...

# Polars ❤️ sorted data 1: statistics

Polars ❤️ sorted data 1: statistics Polars has fast-track algorithms to calculate some statistics. We look at examples of this and then look at how Polars knows if a column is sorted. This post...

# Polars doesn't have an index but what if you want one? Or many?

Published on: 21st October 2022 Polars doesn’t have an index but what if you want one. Or many? This post was created while writing my Up &amp; Running with Polars course. Check it out here wi...

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