The forecast package has a number of forecasting methods you could try. On Thu, Apr 2, 2009 at 3:17 AM, minben <minb...@gmail.com> wrote: > I want to forecaste the call number everyday for a call-center. Now I > have removed the influence of the fluctuation with some method, so > only thing left is to analyze the trend of the call number every day. > I have thought of two ways: regression and HoltWinters smooth. But > when I use regression, I find some day's call number will bcome > negative, which is obviously unreasonabe. If I use HoltWinters > smooth ,I let the gamma parameter equal to 0 because I needn't analyze > the seasonal fact, but the result shows that the increasing trend is > too big. I adjust the parameter alpha and beta ,which makes the result > better,but I don't know if it's right. In this case of situation,which > way is better? Or is there another appropriate method? > > ______________________________________________ > 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.