Every dataset is hiding something.
A new case every Tuesday and Friday. Free, works in your browser, no coding needed to start.
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Case 02: Charts That Lie
Same data, two charts, one of them is cheating. Catch it.
Opens soon -
Case 01: The Screen-Time Case
Ten answers, one chart, and one number that changes the whole story.
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Pick your rank
- RookieData basics. Ask a question, collect evidence, make a chart that tells the truth.
- AnalystAI without code. Teach a machine, then find out how to fool it.
- InspectorPython. Stop clicking, start writing the investigation.
- ChiefReal projects. Pick your own case and close it.
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