SimulateAR1 {pRSR} | R Documentation |
Simulate AR(1) series
Description
An AR(1) series with mean zero and variance 1 and with autocorrelation paramater phi is simulated.
Usage
SimulateAR1(n, phi)
Arguments
n |
length of series |
phi |
autocorrelation parameter |
Details
The model equation is:
z[t] = phi*z[t-1]+a[t],
where z[1] is N(0,1) and a[t] are NID(0, siga),
siga=\sqrt(1/(1-phi^2))
.
Value
autocorrelated time series of length n
See Also
Examples
e<-SimulateAR1(10^4, phi=0.8)
mean(e)
sd(e)
acf(e, lag.max=5, plot=FALSE)
[Package pRSR version 3.1.1 Index]