The EDA Field Guide
Recall and apply five exploratory checks before making an analytical claim.
mixed-card-deck compare-card battlecard What is the first EDA coverage check? Confirm rows, dates, sources, and definitions match the question. A dataset can be clean and still not cover the decision population. Average versus distribution: which answers which question? Compare Use the average for a summary; use distribution to understand whether the summary is safe. We already know the story; just make the chart. A stakeholder wants the slide before the scan. Your line I can make the chart, but I need a 10-minute EDA pass first so we do not publish a tracking issue as customer behavior. Letting a plausible…
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