What is supervised and unsupervised learning in artificial intelligence?

Related questions

1. Is naive Bayes supervised or unsupervised?
2. What is the centroid of a data set?
3. What is unsupervised learning in machine learning?
4. What is cluster analysis in data mining?
5. What is difference between supervised and unsupervised learning?
6. How do you find the centroid?
7. What is grid based clustering in data mining?

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1. #value
2. #consist
3. #typically
4. #output
5. #called
6. #training
7. #labeled
8. #example
9. #function
10. #object
11. #mining
12. #signal
13. #vector
14. #supervised
15. #desired
16. #input
17. #consisting
18. #inferring
19. #thesupervisory
20. #learning
21. #examples