cpgram {stats} | R Documentation |
Plots a cumulative periodogram.
cpgram(ts, taper = 0.1,
main = paste("Series: ", deparse1(substitute(ts))),
ci.col = "blue")
ts |
a univariate time series |
taper |
proportion tapered in forming the periodogram |
main |
main title |
ci.col |
colour for confidence band. |
None.
Plots the cumulative periodogram in a square plot.
From package MASS.
B.D. Ripley
require(graphics)
par(pty = "s", mfrow = c(1,2))
cpgram(lh)
lh.ar <- ar(lh, order.max = 9)
cpgram(lh.ar$resid, main = "AR(3) fit to lh")
cpgram(ldeaths)