Stata Panel Data Direct

Stata recognizes the panel structure when creating lags or differences, ensuring it does not calculate the difference between two different entities.

Before running any analysis, you must tell Stata which variable identifies the entity (panel ID) and which identifies the time. use http://stata-press.com xtset idcode year Use code with caution. Copied to clipboard Why it matters: This enables Stata’s suite of commands and allows for the use of Time-Series Operators (lagged GNP) or (the first difference of unemployment). 2. The Big Two: Fixed vs. Random Effects stata panel data