crystal8832 发表于 2015-4-12 18:39 
最简单的方法看下面
MacKinnon approximate p-value for Z(t) = 0.9768
>0.05 不平稳
请问0.05是代表置信水平吗?那如果看T统计量怎么看呢?
比如下面这个,是不是表示10%的时候平稳,5%和1%不平稳呢?
Dickey-Fuller test for unit root Number of obs = 588
---------- Interpolated Dickey-Fuller ---------
Test 1% Critical 5% Critical 10% Critical
Statistic Value Value Value
------------------------------------------------------------------------------
Z(t) -3.142 -3.960 -3.410 -3.120
------------------------------------------------------------------------------
MacKinnon approximate p-value for Z(t) = 0.0966