fracdiff.sim {fracdiff}R Documentation

Simulate fractional ARIMA Time Series

Description

Generates simulated long-memory time series data from the fractional ARIMA(p,d,q) model. This is a test problem generator for fracdiff.

Usage

fracdiff.sim(n, ar, ma, d, mu = 0.)

Arguments

n length of the time series.
ar vector of autoregressive parameters.
ma vector of moving average parameters.
d fractional differencing parameter.
mu time series mean

Value

a list containing the following elements :

x time series
ar same as input
ma same as input
d same as input
mu same as input
seed same as input

See Also

fracdiff, also for references.

Examples

## Pretty (too) short to "see" the long memory
fracdiff.sim(100, ar = .2, ma = .4, d = .3)

[Package fracdiff version 1.1-1 Index]