expand_ma: Expand MA coefficients to include SMA coefficients of SARMA model
Description
Expand MA coefficients to include SMA coefficients of SARMA model
Usage
expand_ma(ma, sma, period)
Value
vector of MA coefficients in equivalent ARMA model
Arguments
- ma
vector of MA coefficients
- sma
vector of SMA coefficients
- period
period of SARMA model