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.
