why do you do unit root tests in stata what tests do i need to perform in a unbalanced panel how to test stationarity in unbalanced panel which test is performed for stationarity? why perform unbalanced panel unit root test can you perform a unit root test for an unbalanced model in Stata can you check stationarity using a unit test what test to do for unbalanced panel which type of test would test stationarity can i perform a unit root test with an unbalanced panel model what kind of test is a unit root? how to test stationarity of an unbalanced model can stata perform unit root testing when testing stationarity in an unbalanced panel what test do i need to perform for stationarity in an unbalanced panel model? what kind of test to perform in unbalanced panel model what model test is a unit root how to test for stationarity using an unbalanced panel what is unit root testing in stata which of the following test can be used for a unit root