在输入 estimate p=3;
后 ,发现部分参数不显著,比如ar(2)。
那么如何实现ar(1,3)模型?
谢谢!
楼主: aredias
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如何实现疏系数arima拟合? |
大专生 63%
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回帖推荐自己回答得了,刚找的帮助。
Subset Models
You can control which lags have parameters by specifying the P= or Q= option as a list of lags in parentheses. A model like this that includes parameters for only some lags is sometimes called a subset or additive model. For example, consider the following two ESTIMATE statements:
identify var=sales;
estimate p=4;
estimate p=(1 4);
Bo ...
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