Sorry that I send this text for a second time - I didn't see my posting
before (though I have set the preferences to see them)
If you want a comparison of different distance measures you might try
the manuscript of Johann Bacher who is a specialists in cluster methods.
He published an in-depth
Note that there is a Task View for ecology at:
http://cran.miscellaneousmirror.org/src/contrib/Views/Environmetrics.html
On 3/13/06, Dave Roberts [EMAIL PROTECTED] wrote:
In addition to the references from Professor Ripley, you might be
interested in the R packages and pages maintained by
In addition to the references from Professor Ripley, you might be
interested in the R packages and pages maintained by ecologists for such
work (even if you're doing movies). Packages labdsv, vegan, and ade4
both have a broad variety of distance/dissimilarity indices and numerous
alternative
On Mon, 2006-03-13 at 07:50 +, Prof Brian Ripley wrote:
`Ordination' is ecologists' terminology for multidimensional scaling.
You will find worked examples in MASS (the book, see the R FAQ), and the
two most commonly used functions, isoMDS and sammon, in MASS the package.
'Ordination' in
I am severely rusty re. multivariate / ordination analysis, having done my last
work 40 years ago (in plant ecology).
I am interested in exploring applications of multivariate analytic approaches
to data from the history of motion picture films.
I'd very much appreciate any pointers as to
`Ordination' is ecologists' terminology for multidimensional scaling.
You will find worked examples in MASS (the book, see the R FAQ), and the
two most commonly used functions, isoMDS and sammon, in MASS the package.
In your example, the main issue is going to be to choose an appropriate
