# arimaorder

0th

Percentile

##### Return the order of an ARIMA or ARFIMA model

Returns the order of a univariate ARIMA or ARFIMA model.

Keywords
ts
##### Usage
arimaorder(object)
##### Arguments
object
An object of class "Arima", "ar" or "fracdiff". Usually the result of a call to arima, Arima,
##### Value

• A numerical vector giving the values $p$, $d$ and $q$ of the ARIMA or ARFIMA model. For a seasonal ARIMA model, the returned vector contains the values $p$, $d$, $q$, $P$, $D$, $Q$ and $m$, where $m$ is the period of seasonality.

ar, auto.arima, Arima, arima, arfima.
arimaorder(auto.arima(WWWusage))