juniorLogistic Regression
What is a Classification Threshold?
Updated May 17, 2026
Short answer
A threshold converts probabilities into class labels.
Deep explanation
The default threshold is usually 0.5, but it can be adjusted depending on business requirements.
Real-world example
Healthcare systems lower thresholds for disease detection.
Common mistakes
- Using 0.5 without domain analysis.
Follow-up questions
- How is threshold selected?
- Can thresholds vary by class?