Plot Cumulative Periodogram

DESCRIPTION:

Plots a cumulative periodogram

USAGE:

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

REQUIRED ARGUMENTS:

ts
time series

OPTIONAL ARGUMENTS:

taper
proportion tapered in forming the periodogram
main
main title

VALUE:

old parameter settings

SIDE EFFECTS:

plots the cumulative periodogram in a square plot.