# plot.Arima

From forecast v6.0
by Rob Hyndman

##### 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.

- Keywords
- hplot

##### Usage

```
## S3 method for class 'Arima':
plot(x, type=c("both","ar","ma"),
main, xlab="Real", ylab="Imaginary", ...)
## S3 method for class 'ar':
plot(x, main, xlab="Real", ylab="Imaginary", ...)
```

##### Arguments

- x
- Object of class
Arima orar . - 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

- None. Function produces a plot

##### See Also

##### Examples

```
fit <- Arima(WWWusage, order=c(3,1,0))
plot(fit)
fit <- Arima(woolyrnq,order=c(2,0,0),seasonal=c(2,1,1))
plot(fit)
plot(ar.ols(gold[1:61]))
```

*Documentation reproduced from package forecast, version 6.0, License: GPL (>= 2)*

### Community examples

Looks like there are no examples yet.