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 →
- Why can't a random forest or decision tree extrapolate beyond the training range?
Tree leaves hold averages of training targets, so a prediction can never exceed the largest or fall below the smallest value seen in training. For trends that continue upward, such as sales growth, linear models or feature engineering work better.
AdvancedQuick answer1 min read