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 <mchowe...@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]] > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
