The FORECAST statement generates forecast values for a time series by using the parameter estimates produced by the previous ESTIMATE statement. See the section Forecasting Details for more information about calculating forecasts.
是不是说实际上在proc arima中的forecast只是做的样本内预测?
如果是的话,那个样本外预测怎么处理?需要逐点处理循环吗?或者有直接的程序可以跑?



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