Data at Depth

Data at Depth

The Red Effect: Effective Python Examples to Explore Our Vulnerable and Volatile World

A hands on look at how to use the red effect to make your data storytelling stand out

John Loewen's avatar
John Loewen
Dec 05, 2025
∙ Paid

Data scientists often use color to highlight important points in their data visual charts.

One extremely effective trick is the “red effect” — the fact that our brains link red to danger and/or aggression.

Data at Depth is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.

With data visual…

User's avatar

Continue reading this post for free, courtesy of John Loewen.

Or purchase a paid subscription.
© 2026 John Loewen · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture