{\sfCall: arima(x = x, order = c(2, 0, 0))Coefficients:\begint{rrrr}& ar1 & ar2 & intercept \\& 1.1503 & -0.8009 & 0.8738\\s.e. & 0.1250 & 0.1184 & 0.0623\endtsigma\^{}2 estimated as 0.03005: log likelihood = 5.38, aic =-2.77 }
题目是:write down the estimated AR model
求大佬帮忙!


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