Churn Without Fragmentation: How a Party-Label Bug Reversed My Headline Finding
中文摘要
英格兰地方选举数据质量问题，党派标签错误导致分析结果反转，强调原始标签不可直接用于分组。
English Summary
A case study on English local elections illustrates how a party-label bug necessitates categorical normalization and metric validation to avoid errors caused by relying on raw labels.
原文节选
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.