amin roshani amin roshani - 1 year ago 89
R Question

Innovations vector in MA Time Series Model

I am using

function( in
R package) to fit MA model (like $X_t=Z_t+Z_{t-1}$). How can get vector of $Z_t$?

Answer Source
fit <- auto.arima(x)
z <- residuals(fit)
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