Time-Series in Polars: group_by_rolling for Window Analysis
We’ve covered two types of window functions in Polars. Now, we’ll look at how to use Polars group_by_rolling functionality. group_by_rolling() is the third type. It’s…
AI Project: Zero-Shot Image Classification (Hugging Face CLIP)
This is one of the most powerful and flexible AI tasks, the visual version of Zero-Shot Text Classification. Zero-Shot Image Classification is revolutionising how AI…
Polars List Comprehensions: The .list.eval() Method
What if you have a column that contains lists, and you want to perform an operation on every item inside every list? In these situations,…
How to Find the Best Models on the Hugging Face Hub (A 2026 Guide)
We’ve used the Hugging Face pipeline many times. But how do you know which model name to use? How do you find a model to…
How to Find and Remove Duplicate Rows in Polars (2026 Guide)
Duplicate data is a silent killer for analysis and machine learning. Polars provides high-speed, easy-to-use methods for finding and removing duplicate rows. The Setup Let’s…
AI Project: Manual Text Translation (Seq2Seq Model)
In a previous Hugging Face project, we used the translation pipeline, which is fast and easy. But what if you need more control? Or want…
Polars Data Types: How to cast and Convert Columns
When you load a CSV, Polars (and Pandas) often guesses the data types. Sometimes, it guesses wrong, loading a number column (like 5.0) as a…
AI Project: Zero-Shot Audio Classification (Hugging Face)
This is one of the most incredible “2026 Vision” projects. You’ve used Zero-Shot for text, but what about sound? Zero-Shot Audio Classification opens up fascinating…
Time-Series in Polars: Filling Gaps with upsample and interpolate
Real-world data is often “sparse.” You might have sales data for Monday and Friday, but nothing for Tuesday, Wednesday, or Thursday. This is where polars…
AI Project: Named Entity Recognition (NER) with Hugging Face
This is a core task in Natural Language Processing (NLP). When it comes to extracting entities from text, Hugging Face NER has become a popular…
