# Statistics: Principal components

### From MathWiki

A few references related to modern extensions of principal components:

- Projection pursuit: Jones, M. C., Robin Sibson (1987) "What is Projection Pursuit?", Journal of the Royal Statistical Society, A, 150, pp. 1-37 Stable URL (
*http://links.jstor.org/sici?sici=0035-9238%281987%29150%3A1%3C1%3AWIPP%3E2.0.CO%3B2-O*)

- Independent component analysis: http://www.cs.helsinki.fi/u/ahyvarin/whatisica.shtml