Majority class Machine Learning
noun phrase
Definition: In an imbalanced classification setting, the class containing more samples than the minority class [Google ML Glossary].
Example in context: “Balanced accuracy provides an equitable assessment by considering the performance on both classes equally, addressing the potential bias towards the majority class in the traditional accuracy measure.” [Araf et al. 2024]
Synonym: prevalent class
Related terms: minority class; class imbalance; balanced accuracy; undersampling