Time chart of radon levels over a ten-day period along with 3-hour and 24-hour rolling averages.

Collab: Exploring Radon Levels with Data Analyst GPT

I’ve been tracking radon levels in our home for 9 months. Collaborating with Data Analyst GPT to analyze them was actually fun…

July 16, 2025 · 8 min · Tim Graettinger
Bar chart of vaccination rates based on a doctor's recommendation

Want to miss out on some real insights from your data: ignore the missing values.

Suppose I told you that deep insights about your data can come from seeing what’s not there?…

January 7, 2025 · 4 min · Tim Graettinger