[R] extracting response from arima obj

[vito muggeo]

Oops, I said "arima" models (not aov)
however many thanks for your response,....but it doesn't work!

>class(obj)
[1] "Arima"
> model.response(model.frame(obj))
Error in terms.default(formula, data = data) :
        no terms component

vito

----- Original Message -----
From: "kjetil halvorsen" <kjetilh at umsanet.edu.bo>
To: "vito muggeo" <vito.muggeo at giustizia.it>
Cc: <r-help at stat.math.ethz.ch>
Sent: Tuesday, November 12, 2002 2:11 AM
Subject: Re: [R] extracting response from arima obj


> I have used the construction
>
> model.response(model.frame(object))
>
> to get the response from a fitted model object (that was an glm, no
> reason it shouldnt work for an aov also).
>
> Kjetil halvorsen
>
> vito muggeo wrote:
> >
> > dear all,
> > Is it possible to extract the response vector from a fitted arima
object?
> > For instance in glm it is allowed, by:
> > obj.glm<-glm(y~x)
> > obj.glm$y #the response vector
> >
> > In arima I can't find it:
> > obj.arima<-arima(y, order=c(1,0,1)) #say
> > names(obj.arima) doesn't seem to include the response. Am I wrong?
> >
> > Many thanks for your help,
> > best,
> > vito
> >
>
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