Table 3.
Test for stationarity of the original time series data and the differenced data.
| Tests | Cases per million | Differenced cases per million |
|---|---|---|
| ADF | -4.3812 (0.01)** | -10.808 (0.01)** |
| KPSS | 5.0306 (0.01) | 0.014221 (0.1)** |
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