cosine of angle between random variables is equal to the correlation coefficient?
10
Building the connection between cosine similarity and correlation in R
98179
if 2 random variables have exactly same mean and variance
48101
Correlation and skewness
124391
Correlation with a constant
58627
Entropy of the multivariate Gaussian
47660
How to generate Bernoulli random variables with common correlation $\rho$?
153393
Is there a *simple* example showing that uncorrelated random variables need not be independent?
26759
How do I find the angle between two vectors?
44193
How can I simply prove that the pearson correlation coefficient is between -1 and 1?
131026
Covariance and independence?
144538
Sanity check question about correlation between log-normal random variables
70571
Obtaining covariance matrix from correlation matrix
104875
what is the variance of a constant matrix times a random vector?
105301
Example where a simple correlation coefficient has a sign opposite to that of the corresponding partial correlation coefficient
41079
Analogy of Pearson correlation for 3 variables
40501
Why are these two random variables identically distributed?
39112
Does a correlation matrix of two variables always have the same eigenvectors?