ARMA Component
add_arma(x, ...)# S3 method for issm.component
add_arma(x, order = c(0, 0), ar = 0, ma = 0, mu = 0, ...)
An object of class issm.component updated with the ARMA component.
an object of class issm.component or other supported class.
additional parameters.
the ar and ma orders.
a vector of ar coefficients.
a vector of ma coefficients.
the mean parameter (defaults to zero) of the ARMA process.