How to interpret different scenarios in ADF test.
Scenarios: ADF Test: Type: None, Drift, Trend
What exactly each of the types specify and when to use which 'type' during performing stationarity and what is the significance of type?
what happens if the test results says that there is a drift or there is a trend and drift in the time series, how do I interpret these results?
For Eg: URCA package of R has following