2) Polars Tutorial - Update columns with select, with_columns and window functions (over)

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This video is the second of a tutorial series on polars. I a few ways you can update columns. I also introduce the concept of window functions.

Polars is a FAST DataFrame library in Python that is gaining a lot of attention recently.

I hope you enjoy this series! Please subscribe and like the video to support the channel

Timeline
0:00 Read data
1:24 Update columns
6:05 Window Functions
9:52 Polars & Pandas
11:09 Computing Deciles & Data Analysis

[abelmendibles]

Wow. Thanks for introducing the Over function in the video. So easy to use, I love it! Thanks!

[cradleofrelaxation]

9:12
Is something that is difficult to do in pandas without writing something like a lambda function.
“Over” is a nice idea!!

[ghanashyamkp]

Thanks for the tutorial. Very useful series 👍

[stefaandumez]

Why do you use .to_pandas() so often ? Can't you do these kind of analysis in Polars? eg histogram, etc...