What is PCA and how does it work?

Related questions

1. What do eigenvalues mean in PCA?
2. Which banks are under PCA?
3. Why do we need eigenvalues?
4. What is Biplot R?
5. What is the application of principal component analysis?
6. What is the first principal component?
7. What is factor analysis r?
8. Why is PCA important?
9. What is eigenvalue in PCA?
10. Why do we do principal component analysis?

Tags

1. #decomposition
2. #predictive
3. #making
4. #usually
5. #value
6. #matrix
7. #initial
8. #eigenvalue
9. #mostly
10. #analysis
11. #exploratory
12. #after
13. #correlation
14. #models
15. #singular
16. #covariance
17. #normalization