[R] Different predictions with forecast::auto.arima()

[Michael Howell]

Oh I see. Nevermind then.

On Tue, May 14, 2019 at 1:57 PM Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
wrote:

> This is definitely a statistics question still so not on topic here... as
> changing the data is exactly the kind of thing that can have this effect.
>
> On May 14, 2019 10:51:20 AM MDT, Michael Howell <mchowell2 using gmail.com>
> wrote:
> >Good morning,
> >I was asking a more statistics oriented question on another board and
> >someone demonstrated auto.arima() from the forecast package on my data.
> >The
> >function returned a (2,1,0) model with drift. However when I used the
> >same
> >function it returns a (1,1,0) model. There were no obvious differences
> >in
> >the code. The only thing passed to it was the data. How might this
> >happen?
> >The (2,1,0) model works better so I would like to be able to reproduce
> >the
> >results.
> >
> >Regards,
> >Michael Howell
> >
> >       [[alternative HTML version deleted]]
> >
> >______________________________________________
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>
> --
> Sent from my phone. Please excuse my brevity.
>

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