ARMAtoMA_cpp: Converting an ARMA Process to an Infinite MA Process
Description
Takes an ARMA function and converts it to an infinite MA process.
Usage
ARMAtoMA_cpp(ar, ma, lag_max)
Value
A column vector
containing coefficients
Arguments
- ar
A column vector
of length p
- ma
A column vector
of length q
- lag_max
A int
of the largest MA(Inf) coefficient required.
Author
R Core Team and JJB
Details
This function is a port of the base stats package's ARMAtoMA. There is no significant speed difference between the two.