Towards Data Science
Friday, May 1, 2026
Obinna Iheanachor
Churn Without Fragmentation: How a Party-Label Bug Reversed My Headline Finding
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Summary
A data quality case study from English local elections on categorical normalisation, metric validation, and why raw labels should never define analytical groups.
The post Churn Without Fragmentation: How a Party-Label Bug Reversed My Headline Finding appeared first on Towards Data Science.
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