

   cpgram {ts}                                  R Documentation

   PPlloott CCuummuullaattiivvee PPeerriiooddooggrraamm

   DDeessccrriippttiioonn::

        Plots a cumulative periodogram

   UUssaaggee::

        cpgram(ts, taper=0.1, main=
                 paste("Series: ", deparse(substitute(ts))))

   AArrgguummeennttss::

         ts: a univariate time series

      taper: proportion tapered in forming the periodogram

       main: main title

   VVaalluuee::

        None.

   SSiiddee EEffffeeccttss::

        Plots the cumulative periodogram in a square plot.

   NNoottee::

        From package `MASS'.

   AAuutthhoorr((ss))::

        B.D. Ripley

   EExxaammpplleess::

        par(pty="s", mfrow=c(1,2))
        data(lh)
        cpgram(lh)
        lh.ar <- ar(lh, order.max=9)
        cpgram(lh.ar$resid, main="AR(3) fit to lh")

        data(UKLungDeaths)
        cpgram(ldeaths)

