R语言做时间序列分析时,summary给出的结果都是什么意思啊?比如下面这个例子:summary(auto.arima(z))Series:z ARIMA(4,0,2) with zero mean Coefficients:ar1 ar2 ar3 ar4 ma1 ma2-0.5505 0.2316 0.0880 -0.4325 -0.1944 -0.5977s.e.0.1657 0.1428 0.1402 0.1270 0.1766 0.1732sigma^2 estimated as 417.6:lo...
R语言做时间序列分析时,summary给出的结果都是什么意思啊?比如下面这个例子:summary(auto.arima(z))Series:z ARIMA(4,0,2) with zero mean Coefficients:ar1 ar2 ar3 ar4 ma1 ma2-0.5505 0.2316 0.0880 -0.4325 -0.1944 -0.5977s.e.0.1657 0.1428 0.1402 0.1270 0.1766 0.1732sigma^2 estimated as 417.6:lo...