Engineering Alpha

Engineering Alpha

Understanding Distance Correlation: A Powerful Tool for Uncovering Hidden Relationships

Let's Create the Distance Correlation in Python

Sofien Kaabar, CFA's avatar
Sofien Kaabar, CFA
Jun 17, 2025
∙ Paid
Correlation - Scatter graph showing observations and model data

In data analysis, correlation is a go-to metric for assessing how two variables relate. But traditional correlation measures like Pearson’s coefficient have limits — they can only detect linear relationships.

This means they miss complex, nonlinear dependencies that matter in real-world data. That’s where Distance Correlation (dCor) comes in.

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