Null Hypothesis: RESID16 has a unit root
Exogenous: Constant
Lag Length: 3 (Automatic based on SIC, MAXLAG=4) t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -3.362979 0.0260
Test critical values: 1% level -3.831511
5% level -3.029970
10% level -2.655194
*MacKinnon (1996) one-sided p-values.
Warning: Probabilities and critical values calculated for 20 observations
and may not be accurate for a sample size of 19
该红色警告是什么意思啊,该如何解决啊?谢谢大家了