[R] cook's distance

José Ernesto Jardim ernesto at ipimar.pt
Fri Aug 18 15:17:50 CEST 2000


Peter Dalgaard BSA wrote:

> José Ernesto Jardim <ernesto at ipimar.pt> writes:
>
> > Peter Dalgaard BSA wrote:
> >
> > > José Ernesto Jardim <ernesto at ipimar.pt> writes:
> > >
> > > > Where can I find information about the cook's distance that appears in
> > > > the plot(lm.object) function ?
> > >
> > > Did you try the references in
>                     *************
>
> > >
> > > help(cooks.distance)
> > > help(plot.lm)
> > >
> > > ?
> >
> > Yes !
>
> I don't think you did...
>
> > I'm not looking for information about the R function but the mathematical
> > description of the cook's distance.
>
> Belsley,Kuh&Welsch as well as Cook&Weisberg should have plenty of that.
>
> > Sorry not beeing more specific the first time.
>

Sorry miss that detail :-)

Found it allready in Draper & Smith

Thanks anyway

ernesto
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