Learning in public

Notebook

Everything I learn about data science, written down before I forget it.

1 post · 1 cheat sheet · updated Sep 2026

Blog

· 1 post

Longer reads on how data work actually goes wrong

CraftSep 2026

The Hidden Trap of Being Data-Driven

Being data-driven does not automatically mean being objective. The data can be real, the query can run, and the conclusion can still be wrong — here is where it happens.

7 min read · 6 traps · 7 figuresRead the post

Cheat sheets

· 1 sheet

Reference pages I keep coming back to mid-project

Data VizSep 2026

Color Cheat Sheet for Data Viz and Dashboard Design

When color earns its place on a dashboard and when gray does the job better — plus copy-and-paste palettes for 19 industries and 8 moods, each shown in a sample dashboard.

27 palettes · 19 industries · 8 moodsOpen the sheet

The first short notes are on their way.

I am writing them up as I go — the post and the cheat sheet above landed first.

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