What is PCA dimensionality reduction?

Related questions

1. What is the difference between PCA and SVD?
2. What are eigenvalues in PCA?
3. Is PCA a clustering method?
4. What does PCA transform do?
5. What is a PCA in the medical field?
6. What is PCA good for?
7. What is PCA as per RBI?
8. What is the use of PCA algorithm?
9. How is PCA used?
10. What is PCA in machine learning?

Tags

1. #dataset
2. #helps
3. #analysis
4. #known
5. #number
6. #reduction
7. #machine
8. #there
9. #statistics
10. #dimensionality
11. #those
12. #principal
13. #lesser
14. #learning
15. #reducing
16. #component
17. #produce
18. #methods
19. #dimensions