is.stationary {bentcableAR}

R Documentation

Stationarity Check of AR Time Series

Description

Check if AR coefficients correspond to stationarity.

Usage

is.stationary(phi.vect)

Arguments

phi.vect

A vector of at least one AR coefficient.

Details

Stationarity check is performed via the simulation of an AR time series using the built-in R function arima.sim.

Value

logical

Note

This function is intended for internal use by bentcable.ar.

Author(s)

Grace Chiu

Examples

  is.stationary(1) # F
  is.stationary(c(-.5,.2)) # T

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