Questions

1. What are the three main approaches in the context of machine learning?
2. What is the difference between a classification and a regression problem?
3. What function does OpenCV provide to implement a k-means clustering algorithm?
4. What function does OpenCV provide to create a kNN classifier?
5. What function does OpenCV provide to find the nearest neighbors?
6. What function does OpenCV provide to create an SVM classifier?
7. What is a reasonable first choice for an SVM kernel?