Can you make an R-only example using dput()? See this page for more details:
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example Best, Michael On Wed, Aug 1, 2012 at 8:51 AM, PaulJr <paulberna...@gmail.com> wrote: > Good morning everyone, > > I have attached an Excel file that contains a macro from which I call and > use R's auto.arima function to generate forecasts. The program runs > perfectly and it gets me the results; however, those results are pretty > unusual. I also tried using the auto.arima function directly in the R > console and still get weird results. > > The results are shown in columns AB, AC and AD respectively and the > historical data upon which I based my forecasts is in column E. If you look > at the results, the values generated by the auto.arima function are quite > low compared to the past data used to generate the forecasts and, in several > cases, the forecasted values come out negative. > > What could be causing those forecasted values to be negative? Could this be > a bug of the auto.arima function? Is there any other function (apart from > auto.arima) that I could use for automatic model fitting to forecast? > > http://r.789695.n4.nabble.com/file/n4638683/TestAutoArimaFunction.xlsm > TestAutoArimaFunction.xlsm > > Any help will be greatly appreciated, > > Regards, > > Paul > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Odd-Results-when-using-R-s-auto-arima-function-tp4638683.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > 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. ______________________________________________ R-help@r-project.org mailing list 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.
