Making Data Useful

Becoming a “real” data analyst

10 differences between amateurs and professional analysts

Cassie Kozyrkov
7 min readApr 14, 2022

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Previously, I introduced you to a few analytics tasks disguised as everyday activities to prove that you’re already a data analyst. For example, consider the image below. Digital photos are stored as a bunch of numbers (left) that make no sense to your brain until you open them with suitable tools (right).

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Chief Decision Scientist, Google. ❤️ Stats, ML/AI, data, puns, art, theatre, decision science. All views are my own. twitter.com/quaesita