What is K nearest neighbor used for?

Related questions

1. What measure how far the predictions are from the actual values in machine learning?
2. What does K mean?
3. What is a good clustering?
4. How does hierarchical clustering work?
5. Where is clustering used?
6. Why is K means clustering used?
7. What is K algo?
8. What is the difference between hierarchical and nonhierarchical clustering methods?
9. How do you find K in K means clustering?
10. What are the applications of clustering?

Tags

1. #classifies
2. #cases
3. #already
4. #measure
5. #similarity
6. #distance
7. #estimation
8. #technique
9. #parametric
10. #algorithm
11. #stores
12. #neighbors
13. #recognition
14. #nearest
15. #available
16. #simple
17. #based
18. #pattern
19. #functions
20. #beginning
21. #statistical