On Tue, 31 Jul 2001, Coppenolle, Hans wrote:
> Does the possibility exist in s-plus 2000
> to test the proportional odds assumption
> when fitting a proportional odds model?
>
> The function polr seems not to include that
> property...
Take a look in MASS (the book) for a worked example ....
> How can the goodness of fit of a logistic proportional odds
> model and a generalized (baseline) logistic model
> efficiently be compared??
Um: logistic proportional odds are for K > 2 classes, and compare with
multiple logistic models.
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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