What are eigenvalues in PCA?

Related questions

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5. What is the difference between factor and cluster analysis?
6. What is a PCA in the medical field?
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Tags

1. #number
2. #smaller
3. #variables
4. #principal
5. #technique
6. #which
7. #analysis
8. #underlying
9. #principles
10. #components
11. #sophisticated
12. #general
13. #practice
14. #correlated
15. #mathematical
16. #eigenvalues
17. #called
18. #possibly
19. #eigenvectors
20. #component
21. #transform