Re: [R] Measuring Goodness of a Matrix

From: Marc Schwartz <marc_schwartz_at_comcast.net>
Date: Tue, 24 Jun 2008 10:06:56 -0500

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



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