Stata Panel Data -

is the gold-standard software for panel data analysis. Its intuitive syntax, powerful built-in commands, and robust error-handling make it the preferred choice for academic researchers, economists, and data analysts worldwide.

xtreg wage educ experience union i.year, re – Deciding between FE and RE: stata panel data

xtreg wage experience union i.year, fe Already done above via i.year . This removes time trends common to all panels. When lagged dependent variables matter (e.g., wage depends on prior wage), standard FE is biased. Use Arellano-Bond GMM: is the gold-standard software for panel data analysis

To check balance explicitly:

xtdescribe To fill in gaps with missing values (use cautiously): powerful built-in commands

use union_panel.dta xtset id year xtsum wage union experience