Ajụjụ metụtara ntuziaka · Ọkara Ọkwa

Matthews Correlation Coefficient Quiz

Test confusion-matrix reasoning, MCC calculations and class-imbalance pitfalls with examples of spam filters and defect detection.

Ụzọ ndu emetụtaraMatthews Correlation Coefficient
Ajụjụ 1 nke 8

A filter labels all 1,000 messages legitimate when 990 truly are legitimate. Why is its 99% accuracy insufficient evidence of useful spam detection?