itsmr (version 1.1)

test: Test residuals for stationarity and randomness

Description

Test residuals for stationarity and randomness

Usage

test(e)

Arguments

e

Data vector (typically residuals from Resid)

Value

• None

Details

Plots ACF, PACF, residuals, and QQ. Displays results for Ljung-Box, McLeod-Li, turning point, difference-sign, and rank tests. The plots can be used to check for stationarity and the other tests check for white noise.

See Also

Resid

Examples

xv = c("log","season",12,"trend",1)
e = Resid(wine,xv)
test(e) ## Is e stationary?
a = arma(e,1,1)
ee = Resid(wine,xv,a)
test(ee) ## Is ee white noise?