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With an example of calculating Bollinger Bands

Nowadays, more and more people are interested in finance and investing. One of the sub-fields of that wide domain is technical analysis. Wikipedia defines it as

[…] an analysis methodology for forecasting the direction of prices through the study of past market data, primarily price and volume.

The increased interest…

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Yes, you read that right — the same API for both Neural Networks and tree-based models!

In this article, I will briefly describe what decision forests are and how to train tree-based models (such as Random Forest or Gradient Boosted Trees) using the same Keras API as you would normally use for Neural Networks. Let’s dive into it!

What is a Decision Forest?

I will get straight to the point, it…

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Hands-on Tutorials

That is also consistent between categorical, ordinal, and interval variables!

Recently I was doing EDA using pandas-profiling and something piqued my interest. In the correlations tab, I saw many known metrics I have known since university — Pearson’s r, Spearman’s ρ, and so on. However, among those I have seen something new — Phik (𝜙k). …

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Take your documentation to the next level with charts designed using Mermaid — a markdown-like script!

Documentation — undoubtedly one of the crucial tasks of every data scientist, yet most likely also in the lowest ranks in terms of how enjoyable it is. I will not try to persuade you about the benefits of keeping an up-to-date documentation, that is a topic for another time.

In…

Eryk Lewinson

Data Scientist, ML/DL enthusiast, quantitative finance, gamer.

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