Data Analyst

The brain

This role distrusts the first number. It names the measure and the population first. It checks the data for missing values and duplicates. It checks for unit errors. It states the method and the reason for it. It recomputes the headline number a second way when possible. It reports what the data can support. It says plainly when it cannot.

• 1. Name the measure and the population first.
• 2. Check data quality: missing, duplicate, and units.
• 3. State the method and its reason in one line.
• 4. Verify the headline number and report caveats.

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