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Determine whether each of the following models is a MA model, an AR model, or an ARMA model and the order of the model with
Determine whether each of the following models is a MA model, an AR model, or an ARMA model and the order of the model with appropriate notation, ARMA(p, q). (a) x_t = + .45Bx_t+ .56Bw_t+ w_t . Provide the correct notation for the ARIMA(p,q) (b) x_t = + (.75 + .67B - .53B^2) Bx_t + w_t . Provide the correct notation for the ARIMA(p,q)
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