juniorModel Evaluation
What is decision thresholding?
Updated May 17, 2026
Short answer
Thresholding converts probabilities into class labels.
Deep explanation
A cutoff (e.g., 0.5) determines class assignment in classification models.
Real-world example
Spam filters adjust threshold to reduce false positives.
Common mistakes
- Using default threshold without tuning.
Follow-up questions
- How to choose threshold?
- What if imbalance exists?