Interview Q&A / Machine Learning
Machine Learning interview questions
Supervised vs unsupervised learning, overfitting, metrics and the classic models, explained simply.
Prefer rapid revision? Practise Machine Learning short interview answers →
- Can you handle class imbalance without changing the data? What is threshold tuning?
Yes. Most classifiers output a probability, and the default cut-off of 0.5 is arbitrary. Lowering it for a rare class raises recall at the cost of precision. Pick the threshold from the precision-recall curve using business costs.
IntermediateQuick answer1 min read