Why Does the F1 Score Use the Harmonic Mean Instead of the Arithmetic Mean?
中文摘要
本文解释了 F1 分数为何使用调和平均数而非算术平均数来平衡精确率与召回率。
English Summary
This article explains why the F1 score uses the harmonic mean instead of the arithmetic mean to balance precision and recall.
原文节选
If you’ve prepared for Data Science or Machine Learning interviews, you’ve probably come across questions about Precision, Recall, and the… Continue reading on Medium »