Recall and apply core data-quality dimensions during triage.
Core distinction What does completeness ask? Are required values present for the population and timing where they are needed? Completeness is scoped. Missing values are defects only when the business rule requires them. Do not confuse Consistency vs. accuracy: which question are you answering? Consistent data can still be inaccurate if every system copied the same wrong value. Stakeholder objection Why are you nitpicking valid codes? The dashboard total is close enough. Use when validity errors affect segmentation, routing, or compliance even if totals look stable. Your line The total may be close, but invalid codes break the downstream split.…
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