ar.inf: Compute AR infinity coefficients

View source: R/itsmr.R

ar.infR Documentation

Compute AR infinity coefficients

Description

Compute AR infinity coefficients

Usage

ar.inf(a, n = 50)

Arguments

a

ARMA model

n

Order

Details

The ARMA model is a list with the following components.

phi Vector of AR coefficients (index number equals coefficient subscript)
theta Vector of MA coefficients (index number equals coefficient subscript)
sigma2 White noise variance

Value

Returns a vector of length n+1 to accomodate coefficient 0 at index 1.

See Also

ma.inf

Examples

a = yw(Sunspots,2)
ar.inf(a)

itsmr documentation built on Aug. 6, 2022, 9:08 a.m.