[R] Measuring Goodness of a Matrix

[Moshe Olshansky]

What do you mean by "A similar to X"?
Do you mean norm of the difference, similar eigenvalues/vectors, anything else?


--- On Wed, 25/6/08, Gundala Viswanath <gundalav at gmail.com> wrote:

> From: Gundala Viswanath <gundalav at gmail.com>
> Subject: [R] Measuring Goodness of a Matrix
> To: r-help at stat.math.ethz.ch
> Received: Wednesday, 25 June, 2008, 12:41 AM
> 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) ?
> 
> 
> - Gundala Viswanath
> Jakarta - Indonesia
> 
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