KAVALIERIS, L.; HANNAN, E. J.; SALAU, M. - In: Journal of Time Series Analysis 24 (2003) 2, pp. 165-172
Two multistage methods for estimating scalar ARMA models are investigated. Both estimate innovations using an autoregression; these are used to obtain initial ARMA parameter estimates by regression and finally the initial estimates are refined by generalized least squares or nonlinear...