all of the functions that I listed are time series tools for looking at what I think you want. this can be done you just have to understand the methodology. So, look at some of the things that I suggested, If these don't help then I don't understand what you want, and it is necissary for you to help me figure out what it is that you want. good luck
2008/9/11 yk <[EMAIL PROTECTED]>: > The data I mentioned above is oscilating vs time，but there are not > obersevable fixed cycle if I just plot this data. > How to get the average cycle，or the most probable range of cycle with > statistical methods? > I don't know how to achieve it by R, is there any command? > > On Sep 11, 10:52 am, "stephen sefick" <[EMAIL PROTECTED]> wrote: >> ?spectrum >> ?acf >> ?ccf >> library(wmtsa) >> ?wavCWT >> library(sowas) >> ?wsp >> >> you could also look at lagged plots to look for periodicity. >> if you elaborate on the problem and include executable sample code you >> will probably recieve more help. >> >> On Wed, Sep 10, 2008 at 10:02 PM, yk <[EMAIL PROTECTED]> wrote: >> > There is a series of data contains time in fixed step and energy >> > varying with time, how to test its periodicity?In R, it seems there is >> > no direct tools since I have search the R manual with periodic and I >> > have not found any related topic. >> > Thanks a lot >> >> > ______________________________________________ >> > [EMAIL PROTECTED] mailing list >> >https://stat.ethz.ch/mailman/listinfo/r-help >> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html >> > and provide commented, minimal, self-contained, reproducible code. >> >> -- >> Stephen Sefick >> Research Scientist >> Southeastern Natural Sciences Academy >> >> 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 >> >> ______________________________________________ >> [EMAIL PROTECTED] mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guidehttp://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. > -- Stephen Sefick Research Scientist Southeastern Natural Sciences Academy 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 ______________________________________________ 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.
