From: Statistical methods for predicting tuberculosis incidence based on data from Guangxi, China
Before first-order seasonal difference | After first-order seasonal difference | ||||||
---|---|---|---|---|---|---|---|
t-Statistic | Prob | t-Statistic | Prob | ||||
Augmented Dickey-Fuller test statistic | − 0.13 | 0.94 | Augmented Dickey-Fuller test statistic | −6.09 | < 0.01 | ||
Test critical values: | 1% level | −3.52 | Test critical values: | 1% level | −3.52 | ||
5% level | −2.9 | 5% level | − 2.9 | ||||
10% level | −2.59 | 10% level | −2.59 |