Data Analyst
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What data quality checks should analysts insist on for critical metrics?
Answer
Critical metrics need automated checks:
- Freshness (is data up to date?)
- Completeness (missing rows?)
- Uniqueness (primary keys)
- Valid ranges (no impossible values)
Without tests, dashboards can be wrong silently. Define SLOs for key datasets and alert when checks fail.
Related Topics
Data QualityMetricsReliability