请问一下数据怎么看 Dickey-Fuller test for unit root Number of obs = 160 ---------- Interpolated Dickey-Fuller --------- Test 1% Critical 5% Critical 10% Critical Statistic Value Value Value ------------------------------------------------------------------------------ Z(t) -2.006 -3.490 -2.886 -2.576 ------------------------------------------------------------------------------ MacKinnon approximate p-value for Z(t) = 0.2839