This post was created while writing my Data Analysis with Polars course. Check it out on Udemy A great feature of Polars is its query optimiser that can look at your full set of operations fo...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy You can’t optimise your code if you don’t know where the bottleneck is. DataPolars now has a pr...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy I think we’ll see a nice ML pre-processing library develop around Polars in the next year. A rec...

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 ...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy Polars gets on well with matplotlib. To make a bar chart for example we pass columns directly f...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy One consequence of the Apache Arrow era is that different libraries will integrate more easily. ...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy Polars has a built in tool to go on a dtype diet. Call the shrink_dtype expression and it will ...

This post was created while writing my Data Analysis with Polars course. Check it out on Udemy Sometimes the first step is the hardest, so I’ve made this gentle introduction to starting with ...

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...

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 Data Analysis with Polars course. Check it out on Udemy ...