The Springer Series in Statistics has a book called Statistical Methods: The Geometric Approach by Saville and Wood, which covers geometric intuition behind statistical concepts. Section 15.4 has correlation coefficients. Here is a screenshot of the relevant section:
The Springer Series in Statistics has a book called Statistical Methods: The Geometric Approach by Saville and Wood, which covers geometric intuition behind statistical concepts. Section 15.4 has correlation coefficients. Here is a screenshot of the relevant section:
http://i.imgur.com/rnWlo.png