cpgram {stats} | R Documentation |
Plots a cumulative periodogram.
cpgram(ts, taper = 0.1, main = paste("Series: ", deparse(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
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)