[R] Measuring Goodness of a Matrix

[Marc Schwartz]

on 06/24/2008 09:41 AM Gundala Viswanath wrote:
> Hi all,
> 
> Suppose I have 2 matrices A and B.
> And I want to measure how good each of this matrix is.
> 
> So I intend to compare A and B with another "gold standard"
> matrix X. Meaning the more similar a matrix to X the better it is.
> 
> What is the common way in R to
> measure matrix similarity (ie. A vs X, and B vs X) ?

If I am correctly interpreting what you are looking for see ?dist and 
perhaps ?hclust.

RSiteSearch("matrix similarity") may also prove to be useful.

HTH,

Marc Schwartz