[R] gamlss and glm binomial family

[Prof Brian Ripley]

On Tue, 25 Mar 2008, pgiraudo at univ-fcomte.fr wrote:

> Dear all and Mikis
>
> I have the opportunity to compare fits with the 'classical' glm and
> gamlss and no smoother of any kind just the same model formula (both
> with the binomial family). I get exactly the same coefficients but
> very different residuals, gamlss giving residuals which are extremely
> close to 'normal' and glm very far...

What type of residuals are these?  See ?residuals.glm and its first 
reference, and ?residuals.gamlss.  The defaults for glm and gamlss are not 
comparable.

> How can this be ?

Comparing 'apples and oranges', perhaps?

>
> Thanks in advance for any indication or threat...
>
> Patrick
>
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> and provide commented, minimal, self-contained, reproducible code.

PLEASE do as we ask.


-- 
Brian D. Ripley,                  ripley at 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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595