I think arima may do the trick. I have not used it, but this is the functionality I have pulled from the ether.
On Mon, Sep 27, 2010 at 5:02 PM, Dr. Alireza Zolfaghari <ali.zolfagh...@gmail.com> wrote: > Hi list, > I have a set of data which I want to use time series analysis in R in order > to forecast the value for future. I know there are some R functions, but not > sure how to use them. Would you please help me if you are familiar with time > series in R? I want to get value for Nov 2012 using the following data. > > thanks > Alireza > > time value Mar-80 72 Jun-80 77.4 Sep-80 81.9 Dec-80 81 Mar-81 80.1 Jun-81 > 77.4 Sep-81 67.5 Dec-81 68.4 Mar-82 55.8 Jun-82 42.3 Sep-82 32.4 Dec-82 22.5 > Mar-83 25.2 Jun-83 32.4 Sep-83 27 Dec-83 36 Mar-84 33.3 Jun-84 41.4 Sep-84 > 20.7 Dec-84 18.9 Mar-85 11.7 Jun-85 15.3 Sep-85 9 Dec-85 13.5 Mar-86 17.1 > Jun-86 16.2 Sep-86 24.3 Dec-86 28.8 Mar-87 33.3 Jun-87 41.4 Sep-87 46.8 > Dec-87 61.2 Mar-88 68.4 Jun-88 74.7 Sep-88 58.5 Dec-88 57.6 Mar-89 63.9 > Jun-89 52.2 Sep-89 50.4 Dec-89 50.4 Mar-90 42.3 Jun-90 38.7 Sep-90 26.1 > Dec-90 25.2 Mar-91 27 Jun-91 18.9 Sep-91 15.3 Dec-91 15.3 Mar-92 16.2 Jun-92 > 17.1 Sep-92 13.5 Dec-92 15.3 Mar-93 18.9 Jun-93 15.3 Sep-93 19.8 Dec-93 27.9 > Mar-94 33.3 Jun-94 51.3 Sep-94 40.5 Dec-94 60.3 Mar-95 59.4 Jun-95 58.5 > Sep-95 47.7 Dec-95 57.6 Mar-96 45.9 Jun-96 37.8 Sep-96 30.6 Dec-96 37.8 > Mar-97 40.5 Jun-97 34.2 Sep-97 28.8 Dec-97 26.1 Mar-98 26.1 Jun-98 15.3 > Sep-98 11.7 Dec-98 10.8 Mar-99 10.8 Jun-99 13.5 Sep-99 22.5 Dec-99 32.4 > Mar-00 39.6 Jun-00 32.4 Sep-00 35.1 Dec-00 27 Mar-01 29.7 Jun-01 35.1 Sep-01 > 34.2 Dec-01 42.3 Mar-02 51.3 Jun-02 61.2 Sep-02 61.2 Dec-02 57.6 Mar-03 53.1 > Jun-03 45 Sep-03 48.6 Dec-03 54.9 Mar-04 61.2 Jun-04 63 Sep-04 71.1 Dec-04 > 78.3 Mar-05 70.2 Jun-05 73.8 Sep-05 77.4 Dec-05 75.6 Mar-06 76.5 Jun-06 72.9 > Sep-06 76.5 Dec-06 74.7 Mar-07 72 Jun-07 72 Sep-07 64.8 Dec-07 60.3 Mar-08 > 43.2 Jun-08 40.5 Sep-08 30.6 Dec-08 29.7 Mar-09 24.3 Jun-09 23.4 Sep-09 20.7 > Dec-09 25.2 Mar-10 38.7 Jun-10 32.4 Sep-10 42.3 > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Stephen Sefick ____________________________________ | Auburn University | | Department of Biological Sciences | | 331 Funchess Hall | | Auburn, Alabama | | 36849 | |___________________________________| | sas0...@auburn.edu | | http://www.auburn.edu/~sas0025 | |___________________________________| Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis "A big computer, a complex algorithm and a long time does not equal science." -Robert Gentleman ______________________________________________ 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.
