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#Data quality

Articles about Data quality: practical guides, analysis and case studies with their market context clearly identified.

Use an A/A test to check the experiment pipeline
PerformanceGlobal frameworkOctober 18, 20263 min

Use an A/A test to check the experiment pipeline

Design an A/A dry run that checks assignment, exposure, event delivery and reporting joins without treating one nonsignificant result as certification.

Reconcile analytics reports across time zones
PerformanceGlobal frameworkOctober 18, 20263 min

Reconcile analytics reports across time zones

Map one UTC event ledger into named reporting zones, handle repeated daylight-saving clock times and flag incomplete local days before comparing totals.

Define duplicate inquiry rules before merging CRM leads
PerformanceGlobal frameworkOctober 18, 20263 min

Define duplicate inquiry rules before merging CRM leads

Separate retried requests, repeated contacts and new commercial intent before merging CRM inquiries, using an auditable record-pair decision table.

Check sample ratio mismatch before reading a test
PerformanceGlobal frameworkOctober 18, 20263 min

Check sample ratio mismatch before reading a test

Compare expected and observed assignment counts, reproduce a sample-ratio check and investigate a suspicious split before interpreting conversion lift.