plot.Arima

0th

Percentile

Plot characteristic roots from ARIMA model

Produces a plot of the inverse AR and MA roots of an ARIMA model. Inverse roots outside the unit circle are shown in red.

autoplot will produce an equivelant plot as a ggplot object.

Keywords
hplot
Usage
"plot"(x, type=c("both","ar","ma"), main, xlab="Real", ylab="Imaginary", ...) "autoplot"(object, type=c("both","ar","ma"), ...) "plot"(x, main, xlab="Real", ylab="Imaginary", ...)
Arguments
x
Object of class “Arima” or “ar”.
object
Object of class “Arima” or “ar”. Used for ggplot graphics (S3 method consistency).
type
Determines if both AR and MA roots are plotted, of if just one set is plotted.
main
Main title. Default is "Inverse AR roots" or "Inverse MA roots".
xlab
X-axis label.
ylab
Y-axis label.
...
Other plotting parameters passed to par.
Value

See Also

Arima, ar

Aliases
  • plot.Arima
  • autoplot.Arima
  • plot.ar
Examples
library(ggplot2)

fit <- Arima(WWWusage, order=c(3,1,0))
plot(fit)
autoplot(fit)

fit <- Arima(woolyrnq,order=c(2,0,0),seasonal=c(2,1,1))
plot(fit)
autoplot(fit)

plot(ar.ols(gold[1:61]))
autoplot(ar.ols(gold[1:61]))

Documentation reproduced from package forecast, version 7.3, License: GPL (>= 2)

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