(traditional):
To make your dataset "exclusive" to a specific set of observations, you use keep or drop . stata panel data exclusive
When your model includes a lagged dependent variable, standard fixed or random effects produce biased estimates. Stata's suite of commands solves this problem using Generalized Method of Moments (GMM) estimators. (traditional): To make your dataset "exclusive" to a
Use Wooldridge’s test for serial correlation in linear panel-data models via xtserial . ssc install xtserial xtserial y x1 x2 Use code with caution. The Solution: Cluster-Robust Standard Errors stata panel data exclusive
Set panel structure xtset country_id year