Sure that doesn't work is not very informative.
The error message is "Error in update.default(mod.init, new.form, data = mydata,
na.action = na.omit) :
need an object with call component"
That's because he's looking at a character object (the name) and not at the object
itself.
But your solution is what i wanted.
Thanks both for the solution and your ability to read further an obscure doesn't work
O__ ---- Alain Le Tertre
c/ /'_ --- Institut de Veille Sanitaire (InVS)
(*) \(*) -- 12 rue du val d'Osne
~~~~~~~~~~ - 94415 Saint Maurice cedex FRANCE
Voice: 33 1 41 79 67 50 Fax: 33 1 41 79 67 68
email: [EMAIL PROTECTED]
> -----Message d'origine-----
> De : Prof Brian Ripley [mailto:[EMAIL PROTECTED]
> Envoy� : mercredi 22 octobre 2003 09:56
> � : LE TERTRE Alain
> Cc : [EMAIL PROTECTED]
> Objet : Re: [R] Automatically updating GLM object
>
>
> What does
>
> Doesn't work
>
> mean here?
>
> Note that myobject[ii] is unlikely to be what you want, and
> perhaps it
> should be
>
> get(paste("myobject", ii, sep=""))
>
> but the error messages you surely got should have been informative.
>
> On Wed, 22 Oct 2003, LE TERTRE Alain wrote:
>
> >
> > Dear all,
> > i generated several GLM objects, named myobject1 to myobject25. Now
> > i'd like to update both of them. So i tried:
> >
> > for(ii in 1:25) {
> > assign(paste("myobject.updated", ii, sep=""), update(
> > myobject[ii] ,.~ + VAR2))
> > }
> >
> > Doesn't work
> > I also tried to get all the names in a vector and
> > update(names.myobject[ii],.~ + VAR2) Stiil doesn't work
>
> --
> Brian D. Ripley, [EMAIL PROTECTED]
> 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
>
>
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