---
title: A full season of boosting
description: Our YouTube channel has a lot of tutorials and we also try to cover big themes in sequences of videos. We wrapped up a season on boosting techniques over the summer.
image: https://blog.probabl.ai/hubfs/the-keynote.003.jpeg
---

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 Wednesday, October 2 2024

# A full season of boosting

[Vincent D. Warmerdam](https://blog.probabl.ai/author/vincent-d-warmerdam)

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Boosting is one of the most popular tabular machidne learning techniques. Effectively, it has become the default for machine learning challenges but also for industry use-cases. That is why we felt it appropriate to invest in a [small season of whiteboard](https://www.youtube.com/playlist?list=PLSIzlWDI17bS025ph6R0W_3RKM0qJ3qoO) videos that highlight how they work and what useful properties they have.

## All episodes

The [first episode in this series](https://www.youtube.com/watch?v=o6seqpMJSTI) can be seen as an introduction. It explains the big idea behind boosting and gives plenty of visuals to help support the motivation.

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The [second part](https://youtu.be/H-Nnk3IFBmY) of the series goes a bit deeper into how the underlying tree models work.

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The next video expands on the idea of boosting by introducing a technique that involves histograms. It turns out that you can massively speed up the training procedure if you are clever in what values you consider when building a tree. This is where histograms can really help out.

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Boosted models aren't just great for predictive performance though. If you have domain knowledge you can also steer the algorithm in the right direction by passing [monotonic constraints](https://youtu.be/GP-chvjh448) to it.

<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/GP-chvjh448?si=W0HwMetZ8jBKDnvi" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen style="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border: medium;"></iframe>

 

The playlist also has a video where the [hyperparameters of the boosting algorithms are explored](https://www.youtube.com/watch?v=oZm4nGN8YMg). Boosting techniques can still overfit on the training set so it pays off to search for inputs that prevent this.

<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/oZm4nGN8YMg?si=IvAojsOe-1TnXVLR" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen style="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border: medium;"></iframe>

Finally, the season ends by explaining that [boosting won't solve every problem out there](https://youtu.be/2eU_8ExBzDw). The technique is great, but not every problem out there is a supervised learning problem. Just to name one example: there are times when you may need to consider semi-supervised systems instead.

<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/2eU_8ExBzDw?si=uT1O5cCG19D9CE5F" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen style="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; border: medium;"></iframe>

 

We hope that you enjoyed our season of boosting content. We are eager to explore more tools so do [let us know](https://feedback.probabl.ai/) if you feel like there are topics missing!

[scikit-learn](https://blog.probabl.ai/tag/scikit-learn)

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