[R] residuals interpretation in logit lodel
Robert Espesser
Robert.Espesser at lpl.univ-aix.fr
Thu Jun 20 15:43:15 CEST 2002
I'm a bit confused with the residuals in a logit model.
a) the standardized deviance residual distribution of my model is not
close to the normal; it is rather "bimodal",
with a gap around 0. The variables I use do not look so strange, so
what does it mean ??
b) For what use is the "response type" residual for a binomial model ?
Is there any sense to filtered out the "extreme" values of the
"response type" residual ?
(On the other hand, I'm already using glm.diag, glm.diag.plots,
etc...).
Thanks for help.
--
Robert Espesser
Laboratoire Parole et Langage UMR 6057, CNRS
29 Av. Robert Schuman 13621 AIX (FRANCE)
Tel: +33 (0)4 42 95 36 26 Fax: +33 (0)4 42 59 50 96
http://www.lpl.univ-aix.fr/~espesser
mailto:Robert.Espesser at lpl.univ-aix.fr
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