plot.tvspc {TSSS} | R Documentation |
Plot evolutionary power spectra obtained by time varying AR model returned
by tvspc
.
## S3 method for class 'tvspc' plot(x, theta = 0, phi = 15, expand = 1, col = "lightblue", ticktype= "detail", ...)
x |
an object of class |
theta, phi, expand, col, ticktype |
graphical parameters in perspective
plot |
... |
further graphical parameters may also be supplied as arguments. |
# seismic data data(MYE1F) z <- tvar(MYE1F, trend.order = 2, ar.order = 8, span = 20, outlier = c(630, 1026), tau2.ini = 6.6e-06, delta = 1.0e-06) spec <- tvspc(z$arcoef, z$sigma2) plot(spec, theta = 30, phi = 40, expand = 0.5)