[R] Estimate Covariance Matrix of two vectors

[Liaw, Andy]

cov(mat1, mat2) will give you the covariances in a p1 by p2 matrix, assuming
mat1 has p1 columns and mat2 has p2 columns.

HTH,
Andy

> From: Claus Gwiggner
> 
> Hi,
> 
> I have m observations of a vector (p1,...,pp) of random variables and 
> another m of a second vector (v1,...,vp) of same length.
> How can I get an estimation of the covariance matrix for all pairs 
> of variables (pi,vj) ?
> 
> Thanks.


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