[R] mclust - clustering by spatial patterns

[Thomas W Blackwell]

On Thu, 18 Dec 2003, Jarrod Hadfield wrote:

> Dear All,
>
> I have spatial data (presence/absence for 4000 squares) on 250 bird
> species and would like to use a model-based clustering technique to
> test for species associations.  Is there any way of passing a
> distance/correlation matrix to mclust as with hclust, rather than the
> actual data?  Or alternatively, is there a way of getting mclust to
> handle binary data?
>
> I'd appreciate any suggestions!

Why not simply use  dist()  and  hclust() ?   Starting with
presence/absence data, what could  mclust()  possibly do that
is different from  hclust() ?

>
> Cheers,
>
> Jarrod
>

-  tom blackwell  -  u michigan medical school  -  ann arbor  -