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Return the order of an ARIMA or ARFIMA model

Source: R/arima.R
arimaorder.Rd

Returns the order of a univariate ARIMA or ARFIMA model.

Usage

arimaorder(object)

Arguments

object

An object of class “Arima”, dQuotear or “fracdiff”. Usually the result of a call to arima, Arima, auto.arima, ar, arfima or fracdiff.

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.

See also

ar, auto.arima, Arima, arima, arfima.

Author

Rob J Hyndman

Examples

WWWusage %>% auto.arima %>% arimaorder
#> p d q 
#> 1 1 1